4 7 2 1 8 7 3 5 3 3 6 9 1 6 2 4 8 2 7 4 1 1 6 9 9 2 8 3 21-11-2020.......schwer 21-11-2020 www.daily-sudoku-puzzle.com

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

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