Weekly Extreme Jigsaw Sudoku Competition for Dec 9 to Dec 15

Number 638, Extreme
by Crosswords Ltd. December puzzle packs Now Out!. Thanks for supporting our site.

Design: Cross by Andrew Smith
All entries must be in by the end of Saturday, Dec 15 23:59 EST, USA

1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
8 3           4  
5 2     6        
    3       5    
1 8             7
                 
  7             5
    4       6    
        3     8 4
  9           5 2