3 1 8 6 9 6 7 2 8 7 4 1 8 3 6 5 8 9 5 2 6 4 4 9 1 6 5 01-06-2018.......hard 01-06-2018 www.daily-sudoku-puzzle.com

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

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