2 3 6 6 7 2 9 5 1 7 5 2 8 4 6 1 8 3 9 1 4 2 9 3 6 2 8 5 10-01-2021.......hard 10-01-2021 www.daily-sudoku-puzzle.com

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

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