Sudoku #h421

Sudoku game, level: Hard #421. This Sudoku have 26 given numbers (clues)..
Structure: 3 (0 pcs.), 5 (2 pcs.), 8 (2 pcs.), 1 (3 pcs.), 6 (3 pcs.), 7 (3 pcs.), 2 (4 pcs.), 4 (4 pcs.), 9 (5 pcs.), ∑26.


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