Sudoku #x906

Sudoku game, level: Expert #906. This Sudoku have 22 given numbers (clues)..
Structure: 2 (1 pcs.), 3 (2 pcs.), 5 (2 pcs.), 6 (2 pcs.), 7 (2 pcs.), 1 (3 pcs.), 4 (3 pcs.), 9 (3 pcs.), 8 (4 pcs.), ∑22.


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