Sudoku #m409

Sudoku game, level: Medium #409. This Sudoku have 24 given numbers (clues)..
Structure: 4 (1 pcs.), 2 (2 pcs.), 3 (2 pcs.), 6 (2 pcs.), 5 (3 pcs.), 7 (3 pcs.), 9 (3 pcs.), 1 (4 pcs.), 8 (4 pcs.), ∑24.


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