Sudoku #h61

Sudoku game, level: Hard #61. This Sudoku have 24 given numbers (clues)..
Structure: 1 (2 pcs.), 5 (2 pcs.), 6 (2 pcs.), 7 (2 pcs.), 9 (2 pcs.), 4 (3 pcs.), 8 (3 pcs.), 2 (4 pcs.), 3 (4 pcs.), ∑24.


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