You have a shape made of 15 unit cells: a 4×4 square with one corner removed (bottom-right).
Goal: Cut along the grid lines so that the shape is divided into 3 identical parts. Each part must have the same shape (congruent—you can rotate or flip one to match another) and the same number of cells (5 each).
Click an edge between two cells to add or remove a cut.
Click an edge between two cells to add or remove a cut.
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