1. Josef Kleber Avatar Josef Kleber
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Star Battle

The environment enables the user to typeset 'Star Battle' logic puzzles (aka Sternenschlacht, ...)
Enter exactly one star in each row, each column and each area of the grid. Cells with stars must not touch each other orthogonally or diagonally.

Star Battle puzzle

#!TeX
\begin{center}
  \begin{starbattle}
    \framepuzzle
    \framearea{black}{\tikzpath{1}{1}{8,6,8,6,6,2,6,6,2,4,4,4,4,4}}
    \framearea{black}{\tikzpath{1}{2}{8,8,6,2,2,4}}
    \framearea{black}{\tikzpath{1}{4}{8,8,6,6,2,6,2,2,4,4,8,4}}
    \framearea{black}{\tikzpath{4}{2}{8,8,8,4,8,6,6,6,2,4,2,2,6,2,4,4}}
    \framearea{black}{\tikzpath{5}{3}{8,8,6,2,2,4}}
  \end{starbattle}
  \hspace{1.5cm}
  \begin{starbattle}
    \framepuzzle
    \framearea{black}{\tikzpath{1}{1}{8,6,8,6,6,2,6,6,2,4,4,4,4,4}}
    \framearea{black}{\tikzpath{1}{2}{8,8,6,2,2,4}}
    \framearea{black}{\tikzpath{1}{4}{8,8,6,6,2,6,2,2,4,4,8,4}}
    \framearea{black}{\tikzpath{4}{2}{8,8,8,4,8,6,6,6,2,4,2,2,6,2,4,4}}
    \framearea{black}{\tikzpath{5}{3}{8,8,6,2,2,4}}
    \starbattlecell{1}{2}{\Star}
    \starbattlecell{2}{4}{\Star}
    \starbattlecell{3}{1}{\Star}
    \starbattlecell{4}{5}{\Star}
    \starbattlecell{5}{3}{\Star}
  \end{starbattle}
\end{center}

You will find the current release in the Downloads tab and on CTAN.

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