Binary Puzzle: 250 Hard Logic Puzzles 8x8 - Paperback

by Mindful Puzzle Book (Author)

The goal is to fill in the grid with digits "0" and "1" according to the following rules: There are as many digits "1" as digits "0" in every row and every column (or one more for odd sized grids).No more than two cells in a row can contain the same number.Each row is unique, and each column is unique.