Sudoku #m278

Sudoku game, level: Medium #278. This Sudoku have 27 given numbers (clues)..
Structure: 3 (2 pcs.), 5 (2 pcs.), 7 (2 pcs.), 1 (3 pcs.), 2 (3 pcs.), 4 (3 pcs.), 6 (3 pcs.), 9 (3 pcs.), 8 (6 pcs.), ∑27.


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