Sudoku #m635

Sudoku game, level: Medium #635. This Sudoku have 27 given numbers (clues)..
Structure: 5 (0 pcs.), 4 (2 pcs.), 7 (2 pcs.), 3 (3 pcs.), 9 (3 pcs.), 1 (4 pcs.), 2 (4 pcs.), 8 (4 pcs.), 6 (5 pcs.), ∑27.


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