Sudoku #h557

Sudoku game, level: Hard #557. This Sudoku have 29 given numbers (clues)..
Structure: 2 (0 pcs.), 4 (2 pcs.), 7 (2 pcs.), 8 (3 pcs.), 3 (4 pcs.), 5 (4 pcs.), 9 (4 pcs.), 1 (5 pcs.), 6 (5 pcs.), ∑29.


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DEL  
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5
4
6
3
4
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7
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9
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8
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8
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6
9
3
1
9
1
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