Samurai Sudoku: 100 Samurai Sudoku Puzzles, Taschenbuch von Clarity Media (COR)...
16,51 €
For those unfamiliar with the samurai Sudoku, we suggest taking a look at the preview to see how the concept of overlapping grids work: there are four shared box regions, with each outer puzzle sharing a box region with the middle grid, which therefore shares four of its box regions with the other puzzles.
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