7 8 5 1 3 6 8 5 8 2 2 9 3 3 4 6 1 5 6 1 9 5 2 4 4 9 7 6 21-01-2021.......diabolico 21-01-2021 www.daily-sudoku-puzzle.com

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

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