4 2 5 9 1 6 4 8 2 7 9 4 5 7 8 5 3 6 7 4 2 1 8 9 3 6 1 7 21-12-2020.......fiendish 21-12-2020 www.daily-sudoku-puzzle.com

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

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