8 6 1 7 9 5 6 3 7 9 7 1 5 4 2 8 3 8 4 2 1 5 8 4 2 5 3 6 9 7 16-10-2019.......medium 16-10-2019 www.daily-sudoku-puzzle.com

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