3 6 7 4 8 9 3 6 7 6 4 5 8 5 1 2 7 3 4 5 1 9 1 4 2 9 8 6 25-09-2017.......hard 25-09-2017 www.daily-sudoku-puzzle.com

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

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