2 3 8 1 9 6 4 9 8 5 6 4 8 5 1 7 9 5 4 3 7 2 3 9 1 9 2 6 23-07-2018.......hard 23-07-2018 www.daily-sudoku-puzzle.com

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

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