About this puzzle
Binary - also known as "Takuzu" or "Tohu wa Vohu" - is a logical puzzle played on a square grid. The objective of Binary is to fill the grid with the numbers 1 and 0. Each row and each column must be unique.
In addition, there have to be as many "1" as "0" in every row and every column (or one more for odd sized grids) and no more than two cells in a row can contain the same digit.