9 8 5 6 4 7 2 6 1 3 5 8 3 1 5 3 7 9 1 2 8 6 6 4 7 5 28-08-2019.......hard 28-08-2019 www.daily-sudoku-puzzle.com

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

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