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Puzzles for Brain - Binary 400 Easy to Expert 11x11 vol. 18
Barnes and Noble
Puzzles for Brain - Binary 400 Easy to Expert 11x11 vol. 18
Current price: $11.24


Barnes and Noble
Puzzles for Brain - Binary 400 Easy to Expert 11x11 vol. 18
Current price: $11.24
Size: OS
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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.