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Binairo also known as Takuzu is a logic puzzle with simple rules and challenging solutions.
The rules are simple.
Binairo is played on a rectangular grid with no standard size. Some cells start out filled with black or white circles. The rest of the cells are empty.
The goal is to place circles in all cells in such a way that:
1. Each row and each column must contain an equal number of white and black circles.
2. More than two circles of the same color can't be adjacent.
3. Each row and column is unique.
Click a cell with the mouse to place a black circle, click again to make it white.