Sudoku #m250

Sudoku game, level: Medium #250. This Sudoku have 23 given numbers (clues)..
Structure: 2 (2 pcs.), 4 (2 pcs.), 5 (2 pcs.), 6 (2 pcs.), 7 (2 pcs.), 3 (3 pcs.), 8 (3 pcs.), 9 (3 pcs.), 1 (4 pcs.), ∑23.


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