Sudoku #m729

Sudoku game, level: Medium #729. This Sudoku have 27 given numbers (clues)..
Structure: 3 (2 pcs.), 6 (2 pcs.), 9 (2 pcs.), 4 (3 pcs.), 5 (3 pcs.), 7 (3 pcs.), 1 (4 pcs.), 2 (4 pcs.), 8 (4 pcs.), ∑27.


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