2 3 6 5 4 7 5 2 2 7 9 5 7 4 1 1 4 8 6 4 1 3 3 7 6 8 9 14-06-2018.......hard 14-06-2018 www.daily-sudoku-puzzle.com

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

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