8 6 3 5 9 6 5 7 3 7 9 4 9 1 4 6 7 4 8 9 6 4 3 2 2 3 8 5 1 6 2 8 5 9 2 1 16-12-2020.......facile 16-12-2020 www.daily-sudoku-puzzle.com

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

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