Sudoku #h490

Sudoku game, level: Hard #490. This Sudoku have 28 given numbers (clues)..
Structure: 5 (1 pcs.), 3 (2 pcs.), 1 (3 pcs.), 4 (3 pcs.), 7 (3 pcs.), 8 (3 pcs.), 9 (3 pcs.), 6 (4 pcs.), 2 (6 pcs.), ∑28.


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7
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9
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7
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