# Shakashaka

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**Shakashaka (Proof of Quilt)** is a logic puzzle with simple rules and challenging solutions.

**The rules** are simple.
*Shakashaka* is played on a rectangular grid. The grid has both black cells and white cells in it.

The objective is to place black triangles in the white cell in such a way so that they form white rectangular (or square) areas.

- The triangles are right angled and occupy half of the white square divided diagonally.

- You can place triangles only in white cells

- The numbers in the black cells indicate how many triangles are adjacent, vertically and horizontally.

- The white rectangles can be either straight or rotated at 45°