Sudoku #m921

Sudoku game, level: Medium #921. This Sudoku have 24 given numbers (clues)..
Structure: 1 (1 pcs.), 6 (1 pcs.), 7 (2 pcs.), 5 (3 pcs.), 4 (3 pcs.), 2 (3 pcs.), 3 (3 pcs.), 9 (4 pcs.), 8 (4 pcs.), ∑24.


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