9 5 6 2 1 4 9 8 1 7 3 8 5 9 6 3 5 2 4 7 1 1 6 8 9 3 7 6 10-07-2015.......hard 10-07-2015 www.daily-sudoku-puzzle.com

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

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