Sudoku #x168

Sudoku game, level: Expert #168. This Sudoku have 26 given numbers (clues)..
Structure: 1 (1 pcs.), 3 (1 pcs.), 7 (1 pcs.), 4 (3 pcs.), 9 (3 pcs.), 5 (4 pcs.), 6 (4 pcs.), 8 (4 pcs.), 2 (5 pcs.), ∑26.


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