4 8 5 9 1 2 3 7 5 4 8 7 1 5 1 3 8 4 6 6 9 1 3 4 2 3 7 1 5 6 13-01-2017.......schwer 13-01-2017 www.daily-sudoku-puzzle.com

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

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