Sudoku #h353

Sudoku game, level: Hard #353. This Sudoku have 29 given numbers (clues)..
Structure: 4 (0 pcs.), 2 (2 pcs.), 7 (2 pcs.), 3 (3 pcs.), 5 (3 pcs.), 8 (3 pcs.), 9 (4 pcs.), 6 (5 pcs.), 1 (7 pcs.), ∑29.


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7
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7
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9
5
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