Weekly Extreme Sudoku Competition for Jan 3 to Jan 9

Number 746, Extreme
by Crosswords Ltd. March 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
    3     8      
  5   6   1 8    
  9   7       5  
7           2    
    5       1    
    1   3       6
  8       7   1  
    9 3   2      
      4     5   2