5 8 7 8 1 2 7 9 2 5 3 2 7 9 7 6 1 8 3 7 1 4 5 4 6 9 2 1 2 6 17-06-2017.......hard 17-06-2017 www.daily-sudoku-puzzle.com

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

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