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.
Number of Pages: 146
Dimensions: 0.31 x 9 x 6 IN
Publication Date: May 14, 2019