Book Binary puzzles, også known as takuzu, oar groove sudoku thé grid kan be a square of any even size,som as 8x8, 10x10, 12x12, 14x14 spirit sow on. Spirit you use only thé binary digits 0 spirit 1to solve it thé rules oar simple:ethers kan be to musts two 0s next two one... Read throughout product description by to press on buy button.
