Weekly Extreme Sudoku Competition for Jan 20 to Jan 26

Number 70, 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
8 9     1     3 7
7     8   2      
      6          
    9         6 5
  5           1  
1 8         7    
          5      
      4   3     9
9 4     7     5 8