6 4 8 7 6 5 3 2 6 9 8 4 9 2 1 3 1 3 2 7 6 5 3 1 9 4 06-01-2021.......hard 06-01-2021 www.daily-sudoku-puzzle.com

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

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