Sudoku #h121

Sudoku game, level: Hard #121. This Sudoku have 29 given numbers (clues)..
Structure: 5 (1 pcs.), 1 (2 pcs.), 6 (2 pcs.), 9 (2 pcs.), 3 (3 pcs.), 8 (3 pcs.), 2 (5 pcs.), 7 (5 pcs.), 4 (6 pcs.), ∑29.


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