Weekly Extreme Sudoku Competition for Feb 19 to Feb 25

Number 544, Extreme
by Crosswords Ltd. November puzzle packs Now Out!. Thanks for supporting our site.
Future Puzzle - will be submitted on the relevant day
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
4       1       6
        2   5 1  
    9     5 4    
6 2           8 7
        8        
8 3           9 1
      2     1    
  1 8   5        
2       7       9