Sudoku #h83

Sudoku game, level: Hard #83. This Sudoku have 26 given numbers (clues)..
Structure: 1 (1 pcs.), 5 (1 pcs.), 4 (2 pcs.), 2 (3 pcs.), 3 (3 pcs.), 6 (3 pcs.), 8 (4 pcs.), 9 (4 pcs.), 7 (5 pcs.), ∑26.


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3
9
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8
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9
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9
9
7
8
6
3
2
7
8
8
6
7
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