Hi everyone. I am stuck on a sudoku puzzle shown below. The puzzle source is the 27th sudoku problem from the September 2015 edition of the 7 Sudoku Monthly Puzzle Pack.
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6 3 8 | 7 149 49 | 25 25 19
1 5 9 | 6 3 2 | 8 7 4
7 2 4 | 18 189 5 | 19 6 3
------------------+------------------------+-------------------
58 9 7 | 48 248 3 | 25 1 6
4 6 23 | 5 7 1 | 39 239 8
58 1 23 | 9 268 68 | 4 235 7
-----------------+--------------------+-------------------
3 8 5 | 2 1469 469 | 7 49 19
9 7 1 | 348 5 48 | 6 34 2
2 4 6 | 13 19 7 | 139 8 5