Sudoku #m19

Sudoku game, level: Medium #19. This Sudoku have 27 given numbers (clues)..
Structure: 2 (2 pcs.), 5 (2 pcs.), 8 (2 pcs.), 1 (3 pcs.), 3 (3 pcs.), 4 (3 pcs.), 6 (3 pcs.), 7 (3 pcs.), 9 (6 pcs.), ∑27.


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