1 8 3 3 1 8 9 4 5 6 9 7 8 4 5 1 7 2 2 3 4 8 2 7 4 6 20-12-2020.......diabolico 20-12-2020 www.daily-sudoku-puzzle.com

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

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