Robuta

https://ftp.math.utah.edu/pub/tex-archive/graphics/pgf/contrib/logicpuzzle/?C=N;O=A Index of /pub/tex-archive/graphics/pgf/contrib/logicpuzzle index of pub tex archive graphics https://tug.ctan.org/graphics/pgf/contrib/logicpuzzle/ Index of /graphics/pgf/contrib/logicpuzzle index of graphics pgf contrib