7 2 1 9 6 5 1 4 8 3 8 7 4 2 3 5 5 2 4 3 7 9 8 5 6 1 17-12-2020.......diavolico 17-12-2020 www.daily-sudoku-puzzle.com

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

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