Sudoku Binary - 200 Hard to Master Puzzles 7x7 (Volume 15) by Dart Veider
11,87 €
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. - 200 Puzzles. - 2 Puzzles per Page. The puzzle book contain.
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