2 8 6 6 9 3 7 1 5 5 7 4 2 9 5 1 3 1 6 6 3 4 5 4 8 1 4 2 21-02-2017.......hard 21-02-2017 www.daily-sudoku-puzzle.com

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

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