7 2 9 1 3 9 4 5 8 4 3 2 7 2 1 8 8 5 6 2 3 9 5 7 6 3 5 4 28-09-2020.......dificil 28-09-2020 www.daily-sudoku-puzzle.com

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

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