Weekly Extreme Sudoku Competition for Dec 15 to Dec 21

Number 952, Extreme
by Crosswords Ltd. January 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
  8       1     3
      2          
9       5     1 4
1       2 8      
    5 6   9 4    
      7 4       1
3 1     8     5 6
          2      
2     1       9