Weekly Extreme Sudoku Competition for Dec 3 to Dec 9

Number 11, 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       5    
      6 9 4      
6 9     2       7
8     9         3
    5       1    
3         2     4
5       6     1 8
      1 8 3      
    7       6