5 1 6 4 3 4 2 6 9 1 4 5 1 8 8 2 5 8 3 6 1 7 7 6 8 1 2 7 9 3 11-03-2018.......hard 11-03-2018 www.daily-sudoku-puzzle.com

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

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