Solve Binairo puzzles in 4 sizes: 6x6, 8x8, 10x10 and 12x12. Place a 0 or 1 in each cell and use the following rules: - No more than two of the same numbers may be placed directly next to or below each other. - Every row and every column must contain as many zeroes as ones. - The combination of zeroes and ones in every row is unique. The same applies to every column.