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Sohei Sudoku - 200 Hard Puzzles (Volume 4)
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Sohei Sudoku - 200 Hard Puzzles (Volume 4)
Current price: $11.49
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(also known as "
") is a logic-based, combinatorial number-placement puzzle. The objective is to fill a
grid with digits so that each column, each row, and each of the nine
subgrids that compose the grid (also called "boxes", "blocks", or "regions") contains all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution.
- 4 sudoku puzzles that has two overlapping areas. All grids must solved according to sudoku rules.