Binary: 200 Hard Puzzles 10x10 vol. 15

By Valentyna Uvarova

The binary puzzle (also known as " Binairo", "Takuzu", "Tohu wa Vohu") is a new logic puzzle that you can solve by using only zeros and ones. The rectangular or square grid should fill the numbers in accordance with the following rules:
- Each row and each column contain the same number of digits "1" as digits "0" (or one more for odd sized grids).
- The same number can only be in no more than two cells in a row.
- Each line must be unique, and each column must be unique.

• Format: Paperback
• Language: English
• ISBN: B089M437FR
• ISBN13: 9798649821803
• Release Date: June 2020
• Publisher: Independently Published
• Length: 138 Pages
• Weight: 0.43 lbs.
• Dimensions: 0.3" x 6.0" x 9.0"