Weekly Extreme Sudoku Competition for Dec 30 to Jan 5

Number 67, 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   4     9
6   7       3    
      2         1
2 6             3
    5   7   9    
              8 2
3     7   8      
    9       6    
4     1