8 4 3 2 6 3 4 1 2 5 5 2 8 7 3 4 6 1 8 1 2 6 7 9 5 7 2 6 28-07-2020.......hard 28-07-2020 www.daily-sudoku-puzzle.com

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

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