2 9 5 7 5 8 3 4 8 2 6 7 4 5 1 9 7 6 2 1 8 2 7 5 4 3 2 4 1 25-02-2019.......hard 25-02-2019 www.daily-sudoku-puzzle.com

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

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