Sudoku #h555

Sudoku game, level: Hard #555. This Sudoku have 26 given numbers (clues)..
Structure: 1 (2 pcs.), 3 (2 pcs.), 4 (2 pcs.), 6 (2 pcs.), 9 (2 pcs.), 2 (3 pcs.), 8 (3 pcs.), 5 (4 pcs.), 7 (6 pcs.), ∑26.


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