6 7 1 8 6 9 7 1 6 8 2 3 1 5 9 1 7 4 5 6 3 2 4 5 5 2 7 3 4 8 05-07-2017.......hard 05-07-2017 www.daily-sudoku-puzzle.com

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

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