7 5 9 2 8 3 7 6 2 3 4 1 1 9 1 5 8 6 2 5 7 9 6 7 4 2 21-02-2019.......difficile 21-02-2019 www.daily-sudoku-puzzle.com

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

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