Commits

Yiliang Xiong committed 472cb01

include all the OmniGraffle drawings

Comments (0)

Files changed (31)

figures/2-node-network.graffle

+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>ActiveLayerIndex</key>
+	<integer>0</integer>
+	<key>ApplicationVersion</key>
+	<array>
+		<string>com.omnigroup.OmniGrafflePro</string>
+		<string>139.16.0.171715</string>
+	</array>
+	<key>AutoAdjust</key>
+	<true/>
+	<key>BackgroundGraphic</key>
+	<dict>
+		<key>Bounds</key>
+		<string>{{0, 0}, {559, 783}}</string>
+		<key>Class</key>
+		<string>SolidGraphic</string>
+		<key>ID</key>
+		<integer>2</integer>
+		<key>Style</key>
+		<dict>
+			<key>shadow</key>
+			<dict>
+				<key>Draws</key>
+				<string>NO</string>
+			</dict>
+			<key>stroke</key>
+			<dict>
+				<key>Draws</key>
+				<string>NO</string>
+			</dict>
+		</dict>
+	</dict>
+	<key>BaseZoom</key>
+	<integer>0</integer>
+	<key>CanvasOrigin</key>
+	<string>{0, 0}</string>
+	<key>ColumnAlign</key>
+	<integer>1</integer>
+	<key>ColumnSpacing</key>
+	<real>36</real>
+	<key>CreationDate</key>
+	<string>2011-02-11 05:13:24 +0000</string>
+	<key>Creator</key>
+	<string>Xiong Yiliang</string>
+	<key>DisplayScale</key>
+	<string>1 0/72 in = 1.0000 in</string>
+	<key>GraphDocumentVersion</key>
+	<integer>8</integer>
+	<key>GraphicsList</key>
+	<array>
+		<dict>
+			<key>Class</key>
+			<string>LineGraphic</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>TimesNewRomanPSMT</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>Head</key>
+			<dict>
+				<key>ID</key>
+				<integer>4</integer>
+			</dict>
+			<key>ID</key>
+			<integer>23</integer>
+			<key>Points</key>
+			<array>
+				<string>{188.00000899999995, 99}</string>
+				<string>{279.49999100000002, 99}</string>
+			</array>
+			<key>Style</key>
+			<dict>
+				<key>stroke</key>
+				<dict>
+					<key>HeadArrow</key>
+					<string>SharpArrow</string>
+					<key>HeadScale</key>
+					<real>0.80000001192092896</real>
+					<key>Legacy</key>
+					<true/>
+					<key>TailArrow</key>
+					<string>SharpArrow</string>
+					<key>TailScale</key>
+					<real>0.80000001192092896</real>
+				</dict>
+			</dict>
+			<key>Tail</key>
+			<dict>
+				<key>ID</key>
+				<integer>3</integer>
+				<key>Info</key>
+				<integer>7</integer>
+			</dict>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{279.5, 81}, {36, 36}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>ID</key>
+			<integer>4</integer>
+			<key>Magnets</key>
+			<array>
+				<string>{1, 1}</string>
+				<string>{1, -1}</string>
+				<string>{-1, -1}</string>
+				<string>{-1, 1}</string>
+				<string>{0, 1}</string>
+				<string>{0, -1}</string>
+				<string>{1, 0}</string>
+				<string>{-1, 0}</string>
+			</array>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict/>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs26 \cf0 H}</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{152, 81}, {36, 36}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>ID</key>
+			<integer>3</integer>
+			<key>Magnets</key>
+			<array>
+				<string>{1, 1}</string>
+				<string>{1, -1}</string>
+				<string>{-1, -1}</string>
+				<string>{-1, 1}</string>
+				<string>{0, 1}</string>
+				<string>{0, -1}</string>
+				<string>{1, 0}</string>
+				<string>{-1, 0}</string>
+			</array>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict/>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs26 \cf0 W}</string>
+			</dict>
+		</dict>
+	</array>
+	<key>GridInfo</key>
+	<dict/>
+	<key>GuidesLocked</key>
+	<string>NO</string>
+	<key>GuidesVisible</key>
+	<string>YES</string>
+	<key>HPages</key>
+	<integer>1</integer>
+	<key>ImageCounter</key>
+	<integer>1</integer>
+	<key>KeepToScale</key>
+	<false/>
+	<key>Layers</key>
+	<array>
+		<dict>
+			<key>Lock</key>
+			<string>NO</string>
+			<key>Name</key>
+			<string>Layer 1</string>
+			<key>Print</key>
+			<string>YES</string>
+			<key>View</key>
+			<string>YES</string>
+		</dict>
+	</array>
+	<key>LayoutInfo</key>
+	<dict>
+		<key>Animate</key>
+		<string>NO</string>
+		<key>circoMinDist</key>
+		<real>18</real>
+		<key>circoSeparation</key>
+		<real>0.0</real>
+		<key>layoutEngine</key>
+		<string>dot</string>
+		<key>neatoSeparation</key>
+		<real>0.0</real>
+		<key>twopiSeparation</key>
+		<real>0.0</real>
+	</dict>
+	<key>LinksVisible</key>
+	<string>NO</string>
+	<key>MagnetsVisible</key>
+	<string>NO</string>
+	<key>MasterSheets</key>
+	<array/>
+	<key>ModificationDate</key>
+	<string>2013-02-21 07:43:15 +0000</string>
+	<key>Modifier</key>
+	<string>Xiong Yiliang</string>
+	<key>NotesVisible</key>
+	<string>NO</string>
+	<key>Orientation</key>
+	<integer>2</integer>
+	<key>OriginVisible</key>
+	<string>NO</string>
+	<key>PageBreaks</key>
+	<string>YES</string>
+	<key>PrintInfo</key>
+	<dict>
+		<key>NSBottomMargin</key>
+		<array>
+			<string>float</string>
+			<string>41</string>
+		</array>
+		<key>NSHorizonalPagination</key>
+		<array>
+			<string>int</string>
+			<string>0</string>
+		</array>
+		<key>NSLeftMargin</key>
+		<array>
+			<string>float</string>
+			<string>18</string>
+		</array>
+		<key>NSPaperSize</key>
+		<array>
+			<string>size</string>
+			<string>{595, 842}</string>
+		</array>
+		<key>NSPrintReverseOrientation</key>
+		<array>
+			<string>int</string>
+			<string>0</string>
+		</array>
+		<key>NSRightMargin</key>
+		<array>
+			<string>float</string>
+			<string>18</string>
+		</array>
+		<key>NSTopMargin</key>
+		<array>
+			<string>float</string>
+			<string>18</string>
+		</array>
+	</dict>
+	<key>PrintOnePage</key>
+	<false/>
+	<key>ReadOnly</key>
+	<string>NO</string>
+	<key>RowAlign</key>
+	<integer>1</integer>
+	<key>RowSpacing</key>
+	<real>36</real>
+	<key>SheetTitle</key>
+	<string>Canvas 1</string>
+	<key>SmartAlignmentGuidesActive</key>
+	<string>YES</string>
+	<key>SmartDistanceGuidesActive</key>
+	<string>YES</string>
+	<key>UniqueID</key>
+	<integer>1</integer>
+	<key>UseEntirePage</key>
+	<false/>
+	<key>VPages</key>
+	<integer>1</integer>
+	<key>WindowInfo</key>
+	<dict>
+		<key>CurrentSheet</key>
+		<integer>0</integer>
+		<key>ExpandedCanvases</key>
+		<array>
+			<dict>
+				<key>name</key>
+				<string>Canvas 1</string>
+			</dict>
+		</array>
+		<key>Frame</key>
+		<string>{{328, 4}, {715, 742}}</string>
+		<key>ListView</key>
+		<true/>
+		<key>OutlineWidth</key>
+		<integer>136</integer>
+		<key>RightSidebar</key>
+		<true/>
+		<key>ShowRuler</key>
+		<true/>
+		<key>Sidebar</key>
+		<false/>
+		<key>SidebarWidth</key>
+		<integer>120</integer>
+		<key>VisibleRegion</key>
+		<string>{{0, 0}, {550, 572}}</string>
+		<key>Zoom</key>
+		<real>1</real>
+		<key>ZoomValues</key>
+		<array>
+			<array>
+				<string>Canvas 1</string>
+				<real>1</real>
+				<real>1</real>
+			</array>
+		</array>
+	</dict>
+</dict>
+</plist>

figures/3-node-network.graffle

+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>ActiveLayerIndex</key>
+	<integer>0</integer>
+	<key>ApplicationVersion</key>
+	<array>
+		<string>com.omnigroup.OmniGrafflePro</string>
+		<string>139.16.0.171715</string>
+	</array>
+	<key>AutoAdjust</key>
+	<true/>
+	<key>BackgroundGraphic</key>
+	<dict>
+		<key>Bounds</key>
+		<string>{{0, 0}, {559, 783}}</string>
+		<key>Class</key>
+		<string>SolidGraphic</string>
+		<key>ID</key>
+		<integer>2</integer>
+		<key>Style</key>
+		<dict>
+			<key>shadow</key>
+			<dict>
+				<key>Draws</key>
+				<string>NO</string>
+			</dict>
+			<key>stroke</key>
+			<dict>
+				<key>Draws</key>
+				<string>NO</string>
+			</dict>
+		</dict>
+	</dict>
+	<key>BaseZoom</key>
+	<integer>0</integer>
+	<key>CanvasOrigin</key>
+	<string>{0, 0}</string>
+	<key>ColumnAlign</key>
+	<integer>1</integer>
+	<key>ColumnSpacing</key>
+	<real>36</real>
+	<key>CreationDate</key>
+	<string>2012-02-29 07:15:44 +0000</string>
+	<key>Creator</key>
+	<string>Xiong Yiliang</string>
+	<key>DisplayScale</key>
+	<string>1.000 cm = 1.000 cm</string>
+	<key>GraphDocumentVersion</key>
+	<integer>8</integer>
+	<key>GraphicsList</key>
+	<array>
+		<dict>
+			<key>Bounds</key>
+			<string>{{226, 117}, {50, 26}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>YES</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>ID</key>
+			<integer>18</integer>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>fill</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>stroke</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs26 \cf0 20 min}</string>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0, 0}, {1, 1}}</string>
+			<key>Wrap</key>
+			<string>NO</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{109, 117}, {50, 26}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>YES</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>ID</key>
+			<integer>17</integer>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>fill</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>stroke</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs26 \cf0 10 min}</string>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0, 0}, {1, 1}}</string>
+			<key>Wrap</key>
+			<string>NO</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{163.29750000000001, 55}, {50, 26}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>YES</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>ID</key>
+			<integer>16</integer>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>fill</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>stroke</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs26 \cf0 20 min}</string>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0, 0}, {1, 1}}</string>
+			<key>Wrap</key>
+			<string>NO</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{155.54750000000001, 188}, {70, 27}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>YES</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>14</real>
+			</dict>
+			<key>ID</key>
+			<integer>15</integer>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>fill</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>stroke</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 Shopping}</string>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0, 0}, {1, 1}}</string>
+			<key>Wrap</key>
+			<string>NO</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{234.5, 35}, {43, 27}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>YES</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>14</real>
+			</dict>
+			<key>ID</key>
+			<integer>14</integer>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>fill</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>stroke</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 Work}</string>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0, 0}, {1, 1}}</string>
+			<key>Wrap</key>
+			<string>NO</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{98.595000999999996, 35}, {48, 27}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>YES</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>14</real>
+			</dict>
+			<key>ID</key>
+			<integer>13</integer>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>fill</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>stroke</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 Home}</string>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0, 0}, {1, 1}}</string>
+			<key>Wrap</key>
+			<string>NO</string>
+		</dict>
+		<dict>
+			<key>Class</key>
+			<string>LineGraphic</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>TimesNewRomanPSMT</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>Head</key>
+			<dict>
+				<key>ID</key>
+				<integer>8</integer>
+			</dict>
+			<key>ID</key>
+			<integer>12</integer>
+			<key>Points</key>
+			<array>
+				<string>{244.0349829658233, 93.903350137934623}</string>
+				<string>{199.01251703417628, 155.09664986206499}</string>
+			</array>
+			<key>Style</key>
+			<dict>
+				<key>stroke</key>
+				<dict>
+					<key>HeadArrow</key>
+					<string>FilledArrow</string>
+					<key>HeadScale</key>
+					<real>0.80000001192092896</real>
+					<key>Legacy</key>
+					<true/>
+					<key>TailArrow</key>
+					<string>FilledArrow</string>
+					<key>TailScale</key>
+					<real>0.80000001192092896</real>
+				</dict>
+			</dict>
+			<key>Tail</key>
+			<dict>
+				<key>ID</key>
+				<integer>9</integer>
+			</dict>
+		</dict>
+		<dict>
+			<key>Class</key>
+			<string>LineGraphic</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>TimesNewRomanPSMT</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>Head</key>
+			<dict>
+				<key>ID</key>
+				<integer>8</integer>
+			</dict>
+			<key>ID</key>
+			<integer>11</integer>
+			<key>Points</key>
+			<array>
+				<string>{132.06001835575495, 93.90335193418754}</string>
+				<string>{177.08248164424546, 155.0966480658121}</string>
+			</array>
+			<key>Style</key>
+			<dict>
+				<key>stroke</key>
+				<dict>
+					<key>HeadArrow</key>
+					<string>FilledArrow</string>
+					<key>HeadScale</key>
+					<real>0.80000001192092896</real>
+					<key>Legacy</key>
+					<true/>
+					<key>TailArrow</key>
+					<string>FilledArrow</string>
+					<key>TailScale</key>
+					<real>0.80000001192092896</real>
+				</dict>
+			</dict>
+			<key>Tail</key>
+			<dict>
+				<key>ID</key>
+				<integer>7</integer>
+			</dict>
+		</dict>
+		<dict>
+			<key>Class</key>
+			<string>LineGraphic</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>TimesNewRomanPSMT</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>Head</key>
+			<dict>
+				<key>ID</key>
+				<integer>9</integer>
+			</dict>
+			<key>ID</key>
+			<integer>10</integer>
+			<key>Points</key>
+			<array>
+				<string>{139.59500899223474, 79}</string>
+				<string>{236.49999100776526, 79}</string>
+			</array>
+			<key>Style</key>
+			<dict>
+				<key>stroke</key>
+				<dict>
+					<key>HeadArrow</key>
+					<string>FilledArrow</string>
+					<key>HeadScale</key>
+					<real>0.80000001192092896</real>
+					<key>Legacy</key>
+					<true/>
+					<key>TailArrow</key>
+					<string>FilledArrow</string>
+					<key>TailScale</key>
+					<real>0.80000001192092896</real>
+				</dict>
+			</dict>
+			<key>Tail</key>
+			<dict>
+				<key>ID</key>
+				<integer>7</integer>
+			</dict>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{237, 61}, {36, 36}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>14</real>
+			</dict>
+			<key>ID</key>
+			<integer>9</integer>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 W}</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{170.04750000000001, 152}, {36, 36}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>14</real>
+			</dict>
+			<key>ID</key>
+			<integer>8</integer>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 S}</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{103.095, 61}, {36, 36}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>14</real>
+			</dict>
+			<key>ID</key>
+			<integer>7</integer>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 H}</string>
+			</dict>
+		</dict>
+	</array>
+	<key>GridInfo</key>
+	<dict/>
+	<key>GuidesLocked</key>
+	<string>NO</string>
+	<key>GuidesVisible</key>
+	<string>YES</string>
+	<key>HPages</key>
+	<integer>1</integer>
+	<key>ImageCounter</key>
+	<integer>1</integer>
+	<key>KeepToScale</key>
+	<false/>
+	<key>Layers</key>
+	<array>
+		<dict>
+			<key>Lock</key>
+			<string>NO</string>
+			<key>Name</key>
+			<string>Layer 1</string>
+			<key>Print</key>
+			<string>YES</string>
+			<key>View</key>
+			<string>YES</string>
+		</dict>
+	</array>
+	<key>LayoutInfo</key>
+	<dict>
+		<key>Animate</key>
+		<string>NO</string>
+		<key>circoMinDist</key>
+		<real>18</real>
+		<key>circoSeparation</key>
+		<real>0.0</real>
+		<key>layoutEngine</key>
+		<string>dot</string>
+		<key>neatoSeparation</key>
+		<real>0.0</real>
+		<key>twopiSeparation</key>
+		<real>0.0</real>
+	</dict>
+	<key>LinksVisible</key>
+	<string>NO</string>
+	<key>MagnetsVisible</key>
+	<string>NO</string>
+	<key>MasterSheets</key>
+	<array/>
+	<key>ModificationDate</key>
+	<string>2013-02-21 10:28:48 +0000</string>
+	<key>Modifier</key>
+	<string>Xiong Yiliang</string>
+	<key>NotesVisible</key>
+	<string>NO</string>
+	<key>Orientation</key>
+	<integer>2</integer>
+	<key>OriginVisible</key>
+	<string>NO</string>
+	<key>PageBreaks</key>
+	<string>YES</string>
+	<key>PrintInfo</key>
+	<dict>
+		<key>NSBottomMargin</key>
+		<array>
+			<string>float</string>
+			<string>41</string>
+		</array>
+		<key>NSHorizonalPagination</key>
+		<array>
+			<string>int</string>
+			<string>0</string>
+		</array>
+		<key>NSLeftMargin</key>
+		<array>
+			<string>float</string>
+			<string>18</string>
+		</array>
+		<key>NSPaperSize</key>
+		<array>
+			<string>size</string>
+			<string>{595, 842}</string>
+		</array>
+		<key>NSPrintReverseOrientation</key>
+		<array>
+			<string>int</string>
+			<string>0</string>
+		</array>
+		<key>NSRightMargin</key>
+		<array>
+			<string>float</string>
+			<string>18</string>
+		</array>
+		<key>NSTopMargin</key>
+		<array>
+			<string>float</string>
+			<string>18</string>
+		</array>
+	</dict>
+	<key>PrintOnePage</key>
+	<false/>
+	<key>ReadOnly</key>
+	<string>NO</string>
+	<key>RowAlign</key>
+	<integer>1</integer>
+	<key>RowSpacing</key>
+	<real>36</real>
+	<key>SheetTitle</key>
+	<string>Canvas 1</string>
+	<key>SmartAlignmentGuidesActive</key>
+	<string>YES</string>
+	<key>SmartDistanceGuidesActive</key>
+	<string>YES</string>
+	<key>UniqueID</key>
+	<integer>1</integer>
+	<key>UseEntirePage</key>
+	<false/>
+	<key>VPages</key>
+	<integer>1</integer>
+	<key>WindowInfo</key>
+	<dict>
+		<key>CurrentSheet</key>
+		<integer>0</integer>
+		<key>ExpandedCanvases</key>
+		<array>
+			<dict>
+				<key>name</key>
+				<string>Canvas 1</string>
+			</dict>
+		</array>
+		<key>Frame</key>
+		<string>{{244, 4}, {787, 742}}</string>
+		<key>ListView</key>
+		<true/>
+		<key>OutlineWidth</key>
+		<integer>142</integer>
+		<key>RightSidebar</key>
+		<false/>
+		<key>ShowRuler</key>
+		<true/>
+		<key>Sidebar</key>
+		<true/>
+		<key>SidebarWidth</key>
+		<integer>120</integer>
+		<key>VisibleRegion</key>
+		<string>{{-39, 0}, {638, 587}}</string>
+		<key>Zoom</key>
+		<real>1</real>
+		<key>ZoomValues</key>
+		<array>
+			<array>
+				<string>Canvas 1</string>
+				<real>1</real>
+				<real>1</real>
+			</array>
+		</array>
+	</dict>
+</dict>
+</plist>

figures/4-node-network.graffle

+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>ActiveLayerIndex</key>
+	<integer>0</integer>
+	<key>ApplicationVersion</key>
+	<array>
+		<string>com.omnigroup.OmniGrafflePro</string>
+		<string>139.16.0.171715</string>
+	</array>
+	<key>AutoAdjust</key>
+	<true/>
+	<key>BackgroundGraphic</key>
+	<dict>
+		<key>Bounds</key>
+		<string>{{0, 0}, {559, 783}}</string>
+		<key>Class</key>
+		<string>SolidGraphic</string>
+		<key>ID</key>
+		<integer>2</integer>
+		<key>Style</key>
+		<dict>
+			<key>shadow</key>
+			<dict>
+				<key>Draws</key>
+				<string>NO</string>
+			</dict>
+			<key>stroke</key>
+			<dict>
+				<key>Draws</key>
+				<string>NO</string>
+			</dict>
+		</dict>
+	</dict>
+	<key>BaseZoom</key>
+	<integer>0</integer>
+	<key>CanvasOrigin</key>
+	<string>{0, 0}</string>
+	<key>ColumnAlign</key>
+	<integer>1</integer>
+	<key>ColumnSpacing</key>
+	<real>36</real>
+	<key>CreationDate</key>
+	<string>2012-02-29 07:15:44 +0000</string>
+	<key>Creator</key>
+	<string>Xiong Yiliang</string>
+	<key>DisplayScale</key>
+	<string>1.000 cm = 1.000 cm</string>
+	<key>GraphDocumentVersion</key>
+	<integer>8</integer>
+	<key>GraphicsList</key>
+	<array>
+		<dict>
+			<key>Bounds</key>
+			<string>{{187.8700576850888, 96.87005768508881}, {50, 26}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>YES</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>ID</key>
+			<integer>41</integer>
+			<key>Rotation</key>
+			<real>315</real>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>fill</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>stroke</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs26 \cf0 20 min}</string>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0, 0}, {1, 1}}</string>
+			<key>Wrap</key>
+			<string>NO</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{191.8700576850888, 146.8700576850888}, {50, 26}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>YES</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>ID</key>
+			<integer>40</integer>
+			<key>Rotation</key>
+			<real>45</real>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>fill</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>stroke</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs26 \cf0 20 min}</string>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0, 0}, {1, 1}}</string>
+			<key>Wrap</key>
+			<string>NO</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{163.29750000000001, 203}, {50, 26}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>YES</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>ID</key>
+			<integer>39</integer>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>fill</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>stroke</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs26 \cf0 20 min}</string>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0, 0}, {1, 1}}</string>
+			<key>Wrap</key>
+			<string>NO</string>
+		</dict>
+		<dict>
+			<key>Class</key>
+			<string>LineGraphic</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>TimesNewRomanPSMT</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>Head</key>
+			<dict>
+				<key>ID</key>
+				<integer>35</integer>
+				<key>Info</key>
+				<integer>8</integer>
+			</dict>
+			<key>ID</key>
+			<integer>38</integer>
+			<key>Points</key>
+			<array>
+				<string>{139.5000083896484, 207}</string>
+				<string>{236.99999100000005, 207}</string>
+			</array>
+			<key>Style</key>
+			<dict>
+				<key>stroke</key>
+				<dict>
+					<key>HeadArrow</key>
+					<string>FilledArrow</string>
+					<key>HeadScale</key>
+					<real>0.80000001192092896</real>
+					<key>Legacy</key>
+					<true/>
+					<key>TailArrow</key>
+					<string>FilledArrow</string>
+					<key>TailScale</key>
+					<real>0.80000001192092896</real>
+				</dict>
+			</dict>
+			<key>Tail</key>
+			<dict>
+				<key>ID</key>
+				<integer>26</integer>
+				<key>Info</key>
+				<integer>7</integer>
+			</dict>
+		</dict>
+		<dict>
+			<key>Class</key>
+			<string>LineGraphic</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>TimesNewRomanPSMT</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>Head</key>
+			<dict>
+				<key>ID</key>
+				<integer>35</integer>
+			</dict>
+			<key>ID</key>
+			<integer>37</integer>
+			<key>Points</key>
+			<array>
+				<string>{255, 97.000008999999949}</string>
+				<string>{255, 188.99999100000005}</string>
+			</array>
+			<key>Style</key>
+			<dict>
+				<key>stroke</key>
+				<dict>
+					<key>HeadArrow</key>
+					<string>FilledArrow</string>
+					<key>HeadScale</key>
+					<real>0.80000001192092896</real>
+					<key>Legacy</key>
+					<true/>
+					<key>TailArrow</key>
+					<string>FilledArrow</string>
+					<key>TailScale</key>
+					<real>0.80000001192092896</real>
+				</dict>
+			</dict>
+			<key>Tail</key>
+			<dict>
+				<key>ID</key>
+				<integer>23</integer>
+				<key>Info</key>
+				<integer>5</integer>
+			</dict>
+		</dict>
+		<dict>
+			<key>Class</key>
+			<string>LineGraphic</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>TimesNewRomanPSMT</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>Head</key>
+			<dict>
+				<key>ID</key>
+				<integer>35</integer>
+			</dict>
+			<key>ID</key>
+			<integer>36</integer>
+			<key>Points</key>
+			<array>
+				<string>{133.82290714804444, 91.727907148044437}</string>
+				<string>{242.27209285195551, 194.27209285195551}</string>
+			</array>
+			<key>Style</key>
+			<dict>
+				<key>stroke</key>
+				<dict>
+					<key>HeadArrow</key>
+					<string>FilledArrow</string>
+					<key>HeadScale</key>
+					<real>0.80000001192092896</real>
+					<key>Legacy</key>
+					<true/>
+					<key>TailArrow</key>
+					<string>FilledArrow</string>
+					<key>TailScale</key>
+					<real>0.80000001192092896</real>
+				</dict>
+			</dict>
+			<key>Tail</key>
+			<dict>
+				<key>ID</key>
+				<integer>29</integer>
+				<key>Info</key>
+				<integer>1</integer>
+			</dict>
+		</dict>
+		<dict>
+			<key>Class</key>
+			<string>Group</string>
+			<key>Graphics</key>
+			<array>
+				<dict>
+					<key>Bounds</key>
+					<string>{{227.5, 225}, {55, 27}}</string>
+					<key>Class</key>
+					<string>ShapedGraphic</string>
+					<key>FitText</key>
+					<string>YES</string>
+					<key>Flow</key>
+					<string>Resize</string>
+					<key>FontInfo</key>
+					<dict>
+						<key>Font</key>
+						<string>Helvetica</string>
+						<key>Size</key>
+						<real>14</real>
+					</dict>
+					<key>ID</key>
+					<integer>34</integer>
+					<key>Shape</key>
+					<string>Circle</string>
+					<key>Style</key>
+					<dict>
+						<key>fill</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+						<key>shadow</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+						<key>stroke</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+					</dict>
+					<key>Text</key>
+					<dict>
+						<key>Text</key>
+						<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 Work 2}</string>
+					</dict>
+					<key>TextRelativeArea</key>
+					<string>{{0, 0}, {1, 1}}</string>
+					<key>Wrap</key>
+					<string>NO</string>
+				</dict>
+				<dict>
+					<key>Bounds</key>
+					<string>{{237, 189}, {36, 36}}</string>
+					<key>Class</key>
+					<string>ShapedGraphic</string>
+					<key>FontInfo</key>
+					<dict>
+						<key>Font</key>
+						<string>Helvetica</string>
+						<key>Size</key>
+						<real>14</real>
+					</dict>
+					<key>ID</key>
+					<integer>35</integer>
+					<key>Magnets</key>
+					<array>
+						<string>{1, 1}</string>
+						<string>{1, -1}</string>
+						<string>{-1, -1}</string>
+						<string>{-1, 1}</string>
+						<string>{0, 1}</string>
+						<string>{0, -1}</string>
+						<string>{1, 0}</string>
+						<string>{-1, 0}</string>
+					</array>
+					<key>Shape</key>
+					<string>Circle</string>
+					<key>Style</key>
+					<dict>
+						<key>shadow</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+					</dict>
+					<key>Text</key>
+					<dict>
+						<key>Pad</key>
+						<integer>0</integer>
+						<key>Text</key>
+						<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 W2}</string>
+					</dict>
+				</dict>
+			</array>
+			<key>ID</key>
+			<integer>33</integer>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{255.04750061035156, 130}, {50, 26}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>YES</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>ID</key>
+			<integer>18</integer>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>fill</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>stroke</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs26 \cf0 10 min}</string>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0, 0}, {1, 1}}</string>
+			<key>Wrap</key>
+			<string>NO</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{71.547500610351562, 130}, {50, 26}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>YES</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>ID</key>
+			<integer>17</integer>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>fill</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>stroke</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs26 \cf0 10 min}</string>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0, 0}, {1, 1}}</string>
+			<key>Wrap</key>
+			<string>NO</string>
+		</dict>
+		<dict>
+			<key>Bounds</key>
+			<string>{{163.29750000000001, 55}, {50, 26}}</string>
+			<key>Class</key>
+			<string>ShapedGraphic</string>
+			<key>FitText</key>
+			<string>YES</string>
+			<key>Flow</key>
+			<string>Resize</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>Helvetica</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>ID</key>
+			<integer>16</integer>
+			<key>Shape</key>
+			<string>Circle</string>
+			<key>Style</key>
+			<dict>
+				<key>fill</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>shadow</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+				<key>stroke</key>
+				<dict>
+					<key>Draws</key>
+					<string>NO</string>
+				</dict>
+			</dict>
+			<key>Text</key>
+			<dict>
+				<key>Text</key>
+				<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs26 \cf0 20 min}</string>
+			</dict>
+			<key>TextRelativeArea</key>
+			<string>{{0, 0}, {1, 1}}</string>
+			<key>Wrap</key>
+			<string>NO</string>
+		</dict>
+		<dict>
+			<key>Class</key>
+			<string>Group</string>
+			<key>Graphics</key>
+			<array>
+				<dict>
+					<key>Bounds</key>
+					<string>{{88.999999389648451, 225}, {70, 27}}</string>
+					<key>Class</key>
+					<string>ShapedGraphic</string>
+					<key>FitText</key>
+					<string>YES</string>
+					<key>Flow</key>
+					<string>Resize</string>
+					<key>FontInfo</key>
+					<dict>
+						<key>Font</key>
+						<string>Helvetica</string>
+						<key>Size</key>
+						<real>14</real>
+					</dict>
+					<key>ID</key>
+					<integer>25</integer>
+					<key>Shape</key>
+					<string>Circle</string>
+					<key>Style</key>
+					<dict>
+						<key>fill</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+						<key>shadow</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+						<key>stroke</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+					</dict>
+					<key>Text</key>
+					<dict>
+						<key>Text</key>
+						<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 Shopping}</string>
+					</dict>
+					<key>TextRelativeArea</key>
+					<string>{{0, 0}, {1, 1}}</string>
+					<key>Wrap</key>
+					<string>NO</string>
+				</dict>
+				<dict>
+					<key>Bounds</key>
+					<string>{{103.49999938964845, 189}, {36, 36}}</string>
+					<key>Class</key>
+					<string>ShapedGraphic</string>
+					<key>FontInfo</key>
+					<dict>
+						<key>Font</key>
+						<string>Helvetica</string>
+						<key>Size</key>
+						<real>14</real>
+					</dict>
+					<key>ID</key>
+					<integer>26</integer>
+					<key>Magnets</key>
+					<array>
+						<string>{1, 1}</string>
+						<string>{1, -1}</string>
+						<string>{-1, -1}</string>
+						<string>{-1, 1}</string>
+						<string>{0, 1}</string>
+						<string>{0, -1}</string>
+						<string>{1, 0}</string>
+						<string>{-1, 0}</string>
+					</array>
+					<key>Shape</key>
+					<string>Circle</string>
+					<key>Style</key>
+					<dict>
+						<key>shadow</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+					</dict>
+					<key>Text</key>
+					<dict>
+						<key>Text</key>
+						<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 S}</string>
+					</dict>
+				</dict>
+			</array>
+			<key>ID</key>
+			<integer>24</integer>
+		</dict>
+		<dict>
+			<key>Class</key>
+			<string>Group</string>
+			<key>Graphics</key>
+			<array>
+				<dict>
+					<key>Bounds</key>
+					<string>{{227.5, 35}, {55, 27}}</string>
+					<key>Class</key>
+					<string>ShapedGraphic</string>
+					<key>FitText</key>
+					<string>YES</string>
+					<key>Flow</key>
+					<string>Resize</string>
+					<key>FontInfo</key>
+					<dict>
+						<key>Font</key>
+						<string>Helvetica</string>
+						<key>Size</key>
+						<real>14</real>
+					</dict>
+					<key>ID</key>
+					<integer>22</integer>
+					<key>Shape</key>
+					<string>Circle</string>
+					<key>Style</key>
+					<dict>
+						<key>fill</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+						<key>shadow</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+						<key>stroke</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+					</dict>
+					<key>Text</key>
+					<dict>
+						<key>Text</key>
+						<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 Work 1}</string>
+					</dict>
+					<key>TextRelativeArea</key>
+					<string>{{0, 0}, {1, 1}}</string>
+					<key>Wrap</key>
+					<string>NO</string>
+				</dict>
+				<dict>
+					<key>Bounds</key>
+					<string>{{237, 61}, {36, 36}}</string>
+					<key>Class</key>
+					<string>ShapedGraphic</string>
+					<key>FontInfo</key>
+					<dict>
+						<key>Font</key>
+						<string>Helvetica</string>
+						<key>Size</key>
+						<real>14</real>
+					</dict>
+					<key>ID</key>
+					<integer>23</integer>
+					<key>Magnets</key>
+					<array>
+						<string>{1, 1}</string>
+						<string>{1, -1}</string>
+						<string>{-1, -1}</string>
+						<string>{-1, 1}</string>
+						<string>{0, 1}</string>
+						<string>{0, -1}</string>
+						<string>{1, 0}</string>
+						<string>{-1, 0}</string>
+					</array>
+					<key>Shape</key>
+					<string>Circle</string>
+					<key>Style</key>
+					<dict>
+						<key>shadow</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+					</dict>
+					<key>Text</key>
+					<dict>
+						<key>Pad</key>
+						<integer>0</integer>
+						<key>Text</key>
+						<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 W1}</string>
+					</dict>
+				</dict>
+			</array>
+			<key>ID</key>
+			<integer>21</integer>
+		</dict>
+		<dict>
+			<key>Class</key>
+			<string>Group</string>
+			<key>Graphics</key>
+			<array>
+				<dict>
+					<key>Bounds</key>
+					<string>{{98.595000999999996, 35}, {48, 27}}</string>
+					<key>Class</key>
+					<string>ShapedGraphic</string>
+					<key>FitText</key>
+					<string>YES</string>
+					<key>Flow</key>
+					<string>Resize</string>
+					<key>FontInfo</key>
+					<dict>
+						<key>Font</key>
+						<string>Helvetica</string>
+						<key>Size</key>
+						<real>14</real>
+					</dict>
+					<key>ID</key>
+					<integer>28</integer>
+					<key>Shape</key>
+					<string>Circle</string>
+					<key>Style</key>
+					<dict>
+						<key>fill</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+						<key>shadow</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+						<key>stroke</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+					</dict>
+					<key>Text</key>
+					<dict>
+						<key>Text</key>
+						<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 Home}</string>
+					</dict>
+					<key>TextRelativeArea</key>
+					<string>{{0, 0}, {1, 1}}</string>
+					<key>Wrap</key>
+					<string>NO</string>
+				</dict>
+				<dict>
+					<key>Bounds</key>
+					<string>{{103.095, 61}, {36, 36}}</string>
+					<key>Class</key>
+					<string>ShapedGraphic</string>
+					<key>FontInfo</key>
+					<dict>
+						<key>Font</key>
+						<string>Helvetica</string>
+						<key>Size</key>
+						<real>14</real>
+					</dict>
+					<key>ID</key>
+					<integer>29</integer>
+					<key>Magnets</key>
+					<array>
+						<string>{1, 1}</string>
+						<string>{1, -1}</string>
+						<string>{-1, -1}</string>
+						<string>{-1, 1}</string>
+						<string>{0, 1}</string>
+						<string>{0, -1}</string>
+						<string>{1, 0}</string>
+						<string>{-1, 0}</string>
+					</array>
+					<key>Shape</key>
+					<string>Circle</string>
+					<key>Style</key>
+					<dict>
+						<key>shadow</key>
+						<dict>
+							<key>Draws</key>
+							<string>NO</string>
+						</dict>
+					</dict>
+					<key>Text</key>
+					<dict>
+						<key>Text</key>
+						<string>{\rtf1\ansi\ansicpg1252\cocoartf1187\cocoasubrtf340
+\cocoascreenfonts1{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
+{\colortbl;\red255\green255\blue255;}
+\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardirnatural\qc
+
+\f0\fs28 \cf0 H}</string>
+					</dict>
+				</dict>
+			</array>
+			<key>ID</key>
+			<integer>27</integer>
+		</dict>
+		<dict>
+			<key>Class</key>
+			<string>LineGraphic</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>TimesNewRomanPSMT</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>Head</key>
+			<dict>
+				<key>ID</key>
+				<integer>26</integer>
+			</dict>
+			<key>ID</key>
+			<integer>12</integer>
+			<key>Points</key>
+			<array>
+				<string>{242.27209051781338, 91.727909482186618}</string>
+				<string>{134.2279088718351, 194.27209051781335}</string>
+			</array>
+			<key>Style</key>
+			<dict>
+				<key>stroke</key>
+				<dict>
+					<key>HeadArrow</key>
+					<string>FilledArrow</string>
+					<key>HeadScale</key>
+					<real>0.80000001192092896</real>
+					<key>Legacy</key>
+					<true/>
+					<key>TailArrow</key>
+					<string>FilledArrow</string>
+					<key>TailScale</key>
+					<real>0.80000001192092896</real>
+				</dict>
+			</dict>
+			<key>Tail</key>
+			<dict>
+				<key>ID</key>
+				<integer>23</integer>
+			</dict>
+		</dict>
+		<dict>
+			<key>Class</key>
+			<string>LineGraphic</string>
+			<key>FontInfo</key>
+			<dict>
+				<key>Font</key>
+				<string>TimesNewRomanPSMT</string>
+				<key>Size</key>
+				<real>13</real>
+			</dict>
+			<key>Head</key>
+			<dict>
+				<key>ID</key>
+				<integer>26</integer>
+				<key>Info</key>