Sudoku #m259

Sudoku game, level: Medium #259. This Sudoku have 27 given numbers (clues)..
Structure: 9 (1 pcs.), 4 (1 pcs.), 3 (2 pcs.), 8 (3 pcs.), 1 (4 pcs.), 2 (4 pcs.), 5 (4 pcs.), 6 (4 pcs.), 7 (4 pcs.), ∑27.


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