9 2 3 5 1 8 2 4 9 4 1 8 5 5 9 2 6 7 1 5 6 7 4 4 9 6 7 1 19-11-2020.......dificil 19-11-2020 www.daily-sudoku-puzzle.com

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

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