Sudoku #x780

Sudoku game, level: Expert #780. This Sudoku have 28 given numbers (clues)..
Structure: 5 (2 pcs.), 6 (2 pcs.), 1 (3 pcs.), 2 (3 pcs.), 3 (3 pcs.), 4 (3 pcs.), 7 (3 pcs.), 9 (4 pcs.), 8 (5 pcs.), ∑28.


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