Sudoku #h936

Sudoku game, level: Hard #936. This Sudoku have 26 given numbers (clues)..
Structure: 1 (2 pcs.), 5 (2 pcs.), 7 (2 pcs.), 2 (3 pcs.), 3 (3 pcs.), 4 (3 pcs.), 9 (3 pcs.), 6 (4 pcs.), 8 (4 pcs.), ∑26.


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9
4
2
3
2
8
6
1
6
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8
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9
2
6
3
8
5
5
9
4
7
8
1
6
3
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