1 2 3 7 6 9 5 4 8 3 2 5 6 5 5 1 8 2 7 6 9 4 9 3 5 1 4 3 2 6 01-04-2018.......hard 01-04-2018 www.daily-sudoku-puzzle.com

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

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