9 8 2 3 3 4 1 4 2 7 5 1 2 6 3 7 6 3 7 5 8 8 6 7 9 3 5 8 13-07-2017.......hard 13-07-2017 www.daily-sudoku-puzzle.com

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

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