1 7 7 8 3 3 9 7 1 6 1 8 4 8 1 4 5 2 6 4 9 2 3 6 9 5 2 8 06-02-2017.......hard 06-02-2017 www.daily-sudoku-puzzle.com

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

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