5 6 8 4 7 6 2 1 4 5 7 1 7 7 3 9 8 6 2 1 8 9 4 5 3 8 4 7 27-07-2017.......medium 27-07-2017 www.daily-sudoku-puzzle.com

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