8 1 3 5 6 7 6 9 1 7 2 2 9 1 8 4 3 3 7 2 7 5 9 8 5 3 8 4 07-09-2016.......hard 07-09-2016 www.daily-sudoku-puzzle.com

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

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