Sudoku Kuromasu - 200 Hard to Master Puzzles 11x11 (Volume 47) by Dart Veider
10,83 €
Kuromasu (from Japanese "kuromasu wa doko da", literally "Where is Black Cells?". ; also known as "Kurodoko") is played on a rectangular grid. Each number on the board represents the number of white cells that can be seen from that cell, including itself.
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