Sudoku #m800

Sudoku game, level: Medium #800. This Sudoku have 24 given numbers (clues)..
Structure: 4 (1 pcs.), 7 (2 pcs.), 2 (2 pcs.), 9 (3 pcs.), 6 (3 pcs.), 5 (3 pcs.), 1 (3 pcs.), 3 (3 pcs.), 8 (4 pcs.), ∑24.


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