2 6 5 2 6 7 9 6 1 4 1 7 2 8 2 5 5 9 1 4 3 8 6 1 1 3 8 4 4 7 18-10-2020.......hard 18-10-2020 www.daily-sudoku-puzzle.com

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

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