Binary Puzzle: 250 Hard Logic Puzzles 7x7

by Mindful Puzzle Book

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.

• Format: Paperback
• Language: English
• ISBN: 109794672X
• ISBN13: 9781097946723
• Release Date: May 2019
• Publisher: Independently Published
• Length: 146 Pages
• Weight: 0.45 lbs.
• Dimensions: 0.3" x 6.0" x 9.0"