6 7 9 3 4 5 1 3 1 4 8 3 2 4 3 5 8 7 1 3 9 4 2 9 6 5 27-12-2020.......hard 27-12-2020 www.daily-sudoku-puzzle.com

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

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