9 1 4 6 9 8 6 7 8 3 5 3 2 4 1 4 7 6 9 2 7 5 1 7 8 3 25-02-2017.......hard 25-02-2017 www.daily-sudoku-puzzle.com

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

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