Sudoku #m961

Sudoku game, level: Medium #961. This Sudoku have 23 given numbers (clues)..
Structure: 8 (1 pcs.), 6 (2 pcs.), 3 (2 pcs.), 2 (2 pcs.), 9 (3 pcs.), 5 (3 pcs.), 4 (3 pcs.), 1 (3 pcs.), 7 (4 pcs.), ∑23.


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7
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6
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