6 1 8 5 4 4 9 7 5 3 6 3 7 8 6 2 3 6 9 3 8 9 7 1 2 1 4 3 5 10-08-2018.......hard 10-08-2018 www.daily-sudoku-puzzle.com

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

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