9 8 7 2 5 1 3 8 1 6 1 3 9 4 5 2 5 7 8 3 9 7 6 7 9 4 5 4 2 6 16-08-2020.......hard 16-08-2020 www.daily-sudoku-puzzle.com

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

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