3 1 5 7 4 9 3 5 2 1 7 2 1 6 3 8 2 1 7 1 7 6 4 8 9 8 5 6 3 12-02-2021.......dificil 12-02-2021 www.daily-sudoku-puzzle.com

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

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