Weekly Extreme Sudoku Competition for Nov 15 to Nov 21

Number 478, Extreme
by Crosswords Ltd. October 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     1         4
    2     5      
6 8           5  
    4     2     3
      6 8        
1     7   3 5    
  2           7 8
      4     3    
3         1     6