1 7 3 6 5 4 2 6 1 2 5 8 7 9 1 6 4 8 4 9 3 9 5 6 2 7 9 5 29-01-2021.......dificil 29-01-2021 www.daily-sudoku-puzzle.com

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

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