2 7 7 8 9 3 2 1 5 7 4 2 8 5 9 6 4 6 3 7 6 3 5 1 5 1 9 8 6 30-01-2021.......hard 30-01-2021 www.daily-sudoku-puzzle.com

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

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