Binary Puzzle: 250 Easy Logic Puzzles 6x6 - Paperback
Binary Puzzle: 250 Easy Logic Puzzles 6x6 - Paperback
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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.