Sudoku #h28

Sudoku game, level: Hard #28. This Sudoku have 26 given numbers (clues)..
Structure: 1 (1 pcs.), 4 (2 pcs.), 5 (2 pcs.), 7 (3 pcs.), 3 (3 pcs.), 2 (3 pcs.), 9 (4 pcs.), 6 (4 pcs.), 8 (4 pcs.), ∑26.


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