Daily Sudoku Competition for Jan 28

Number 1663, Tough - SOLUTION
1002 people took an average of 23 minutes to correctly complete this puzzle

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Future Puzzle - will be submitted on the relevant day
1 2 3 4 5 6 7 8 9
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3 1 5 7 8 9 6 2 4
9 8 7 2 4 6 5 3 1
2 4 6 5 1 3 9 8 7
4 9 8 6 5 7 3 1 2
7 3 2 1 9 8 4 6 5
5 6 1 3 2 4 7 9 8
1 7 3 8 6 5 2 4 9
6 2 4 9 7 1 8 5 3
8 5 9 4 3 2 1 7 6