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Pentomino Division

Author: Efe Alan

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Divide the grid into pentominoes so that no two pentominoes of the same shape (including rotations/reflections) share an edge. A cell with a letter in it must be part of the pentomino shape associated with that letter. An inventory of pentominoes is given but not all shapes must be used.

Example puzzle

Grid control: To draw a cut click at the cell edge or move mouse along the line holding the button. You can also connect the centers of cells which belong to the same part with auxiliary line or put auxiliary letters in the grid. In this case cut lines will be added automatically. Auxiliary elements don't affect correctness of the solution. More details about grid control are at the help page.