Sudoku #x683

Sudoku game, level: Expert #683. This Sudoku have 29 given numbers (clues)..
Structure: 7 (1 pcs.), 4 (2 pcs.), 8 (2 pcs.), 3 (3 pcs.), 9 (3 pcs.), 5 (4 pcs.), 6 (4 pcs.), 1 (5 pcs.), 2 (5 pcs.), ∑29.


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