Sudoku #h963

Sudoku game, level: Hard #963. This Sudoku have 24 given numbers (clues)..
Structure: 1 (1 pcs.), 7 (2 pcs.), 9 (2 pcs.), 3 (2 pcs.), 5 (3 pcs.), 2 (3 pcs.), 4 (3 pcs.), 6 (4 pcs.), 8 (4 pcs.), ∑24.


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