Sudoku #h884

Sudoku game, level: Hard #884. This Sudoku have 27 given numbers (clues)..
Structure: 7 (1 pcs.), 3 (2 pcs.), 5 (2 pcs.), 2 (2 pcs.), 4 (3 pcs.), 9 (3 pcs.), 8 (3 pcs.), 6 (4 pcs.), 1 (7 pcs.), ∑27.


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8
6
3
9
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7
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3
5
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9
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4
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