9 4 7 2 6 3 5 7 3 7 1 4 1 9 4 5 7 8 8 9 3 6 4 6 1 2 2 8 3 9 23-09-2017.......medium 23-09-2017 www.daily-sudoku-puzzle.com

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3=>(1,9) | 9=>(6,1) | 4=>(2,2) | 8=>(2,8) | 5=>(3,1) | 5=>(1,7) | 5=>(7,4) | 2=>(5,4) | 9=>(3,4) | 9=>(5,7) | 4=>(7,6) | 3=>(8,1) | 6=>(9,1) | 9=>(8,5) | 5=>(8,8) | 6=>(1,5) | 2=>(2,1) | 9=>(2,9) | 7=>(8,2) | 8=>(3,5) | 6=>(3,9) | 6=>(5,6) | 8=>(5,3) | 7=>(9,5) | 2=>(3,6) | 2=>(7,5) | 8=>(4,7) | 4=>(9,7) | 5=>(9,3) | 8=>(8,9) | 1=>(1,3) | 8=>(1,1) | 7=>(4,1) | 1=>(7,1) | 1=>(2,5) | 1=>(5,2) | 6=>(4,2) | 3=>(5,5) | 7=>(5,8) | 6=>(6,7) | 7=>(7,9) | 1=>(9,9) | 5=>(6,2) | 5=>(4,5) | 3=>(4,8) | 1=>(6,8) | 3=>(6,3) | 2=>(4,3) | 4=>(4,9) | 4=>(6,5) | 2=>(6,9) |