9 3 4 7 1 5 9 3 5 6 1 1 6 7 1 5 4 7 2 6 1 8 8 4 3 9 2 5 9 4 20-08-2017.......schwer 20-08-2017 www.daily-sudoku-puzzle.com

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

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