5 2 1 8 6 2 9 7 1 2 3 5 8 4 3 3 1 4 7 1 5 6 4 2 9 8 9 6 03-08-2018.......hard 03-08-2018 www.daily-sudoku-puzzle.com

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

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