6 8 9 6 2 7 9 3 6 1 2 3 1 7 5 5 9 4 9 3 8 1 2 2 6 7 8 13-06-2018.......hard 13-06-2018 www.daily-sudoku-puzzle.com

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

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