Sudoku #x245

Sudoku game, level: Expert #245. This Sudoku have 30 given numbers (clues)..
Structure: 3 (1 pcs.), 2 (2 pcs.), 4 (3 pcs.), 6 (3 pcs.), 7 (3 pcs.), 9 (3 pcs.), 1 (5 pcs.), 5 (5 pcs.), 8 (5 pcs.), ∑30.


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