Sudoku #m412

Sudoku game, level: Medium #412. This Sudoku have 24 given numbers (clues)..
Structure: 4 (1 pcs.), 9 (2 pcs.), 2 (2 pcs.), 3 (2 pcs.), 7 (3 pcs.), 8 (3 pcs.), 6 (3 pcs.), 5 (4 pcs.), 1 (4 pcs.), ∑24.


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