2 9 3 5 2 4 7 1 9 6 2 2 4 9 1 7 4 9 8 3 5 8 7 3 5 4 6 2 8 7 7 1 27-02-2017.......hard 27-02-2017 www.daily-sudoku-puzzle.com

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

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