Draw on Edges: OFF Panel: OFF

     

  • Check All
  • Surface
  • Line Normal
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Place the twelve pentominoes into the grid, rotations and reflections allowed. Pentominoes cannot touch each other, not even diagonally. Letters outside the grid indicate the first pentomino seen in that direction. Some cells are blackened and cannot be used by any pentomino.

For automatic solution checking, all cells occupied by pentomino shapes must be marked in black or a shade of gray. Note that if you are marking off the shape inventory below the puzzle, you should use any color but black or a shade of gray.
CTRL + z CTRL + y Erase elements that belongs to the selected mode Erase problem or solution grid

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