Sudoku Seethrough - 200 Easy to Medium Puzzles 7x7 (Volume 1) by Dart Veider (En
15,44 €
By Dart Veider. Author Dart Veider. Seethrough (also known as "Doors", "Open Office") is a logic puzzle, where every cell denotes a "room". Open doors allow to look into other rooms. The number in the cell indicates the total number of rooms visible in horizontal and vertical direction from that room (the room itself excluded).
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