Sudoku Collection: 200 Very Hard Sudoku XV Puzzles 9x9
Sudoku XV is the variation of the original sudoku. All adjacent cells with two digits summing to 10 are marked by X, while those summing to 5 are marked by V. The cells edges which do not contain an X…
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Specifikacia Sudoku Collection: 200 Very Hard Sudoku XV Puzzles 9x9
Sudoku XV is the variation of the original sudoku. All adjacent cells with two digits summing to 10 are marked by X, while those summing to 5 are marked by V. The cells edges which do not contain an X or a V cannot have digits summing to 5 or 10.