5 4 8 2 1 4 7 2 7 6 9 8 1 1 6 7 9 9 5 4 1 5 8 3 3 1 7 5 20-04-2019.......difficile 20-04-2019 www.daily-sudoku-puzzle.com

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

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