Sudoku #h720

Sudoku game, level: Hard #720. This Sudoku have 29 given numbers (clues)..
Structure: 3 (1 pcs.), 5 (1 pcs.), 4 (2 pcs.), 2 (3 pcs.), 6 (3 pcs.), 8 (3 pcs.), 7 (4 pcs.), 1 (6 pcs.), 9 (6 pcs.), ∑29.


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