9 7 8 4 5 3 1 6 2 9 8 4 5 7 5 4 1 6 5 2 9 7 8 6 2 6 3 9 1 8 09-10-2018.......hard 09-10-2018 www.daily-sudoku-puzzle.com

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

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