5 8 2 6 9 4 8 1 9 3 7 5 2 6 3 7 1 6 9 1 8 3 6 4 7 3 9 2 5 1 14-08-2017.......medium 14-08-2017 www.daily-sudoku-puzzle.com

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