9 5 6 4 1 6 3 2 2 2 3 1 9 1 7 8 4 5 6 9 9 6 1 2 7 8 2 5 17-08-2018.......hard 17-08-2018 www.daily-sudoku-puzzle.com

9 3 2 8 5 7 6 4 1 4 1 7 6 3 9 2 5 8 5 8 6 4 1 2 7 9 3 7 2 3 5 4 6 1 8 9 1 6 5 2 9 8 4 3 7 8 9 4 1 7 3 5 6 2 2 4 1 9 8 5 3 7 6 3 5 9 7 6 1 8 2 4 6 7 8 3 2 4 9 1 5

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