Sudoku #h387

Sudoku game, level: Hard #387. This Sudoku have 26 given numbers (clues)..
Structure: 1 (1 pcs.), 6 (2 pcs.), 8 (2 pcs.), 7 (2 pcs.), 5 (3 pcs.), 3 (3 pcs.), 9 (4 pcs.), 2 (4 pcs.), 4 (5 pcs.), ∑26.


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