Binary: 200 Hard Puzzles 11x11 vol. 19 (Paperback) (ISBN-13: 9798649821971)

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.

Author: Valentyna Uvarova
ISBN-10: 8649821979
ISBN-13: 9798649821971
Publisher: Independently Published
Language: English
Published: 06/07/2020
Pages: 138
Format: Paperback
Weight: 0.43lbs
Size: 9.02h x 5.98w x 0.30d