Puzzles for Brain Binary - 400 Hard to Expert 13x13 vol. 26

By Alexander Rodriguez

Each cell should contain a zero or a one. No more than two similar numbers below or next to each other are allowed. Each row and each column is unique and contains as many zeros as ones (or one more for odd sized grids)

• Format: Paperback
• Language: English
• ISBN: 1729680836
• ISBN13: 9781729680834
• Release Date: November 2018
• Publisher: Createspace Independent Publishing Platform
• Length: 230 Pages
• Weight: 0.69 lbs.
• Dimensions: 0.5" x 6.0" x 9.0"