5 7 2 4 8 5 2 2 5 7 7 6 8 3 4 6 6 9 4 1 5 3 7 3 1 6 9 8 9 1 20-02-2019.......dificil 20-02-2019 www.daily-sudoku-puzzle.com

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

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