Weekly Extreme Sudoku Competition for Mar 5 to Mar 11

Number 546, 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
    5 2 8   1    
  1             5
9   8       4    
4       3 8      
    2 4     5    
      9 2       4
    9       3    
8             1  
        6 1 7