Sudoku #h226

Sudoku game, level: Hard #226. This Sudoku have 29 given numbers (clues)..
Structure: 2 (0 pcs.), 1 (2 pcs.), 3 (2 pcs.), 4 (4 pcs.), 5 (4 pcs.), 7 (4 pcs.), 8 (4 pcs.), 9 (4 pcs.), 6 (5 pcs.), ∑29.


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9
6
4
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7
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1
6
1
8
6
4
3
9
5
5
7
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9
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8
6
9
4
5
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