Weekly Extreme Sudoku Competition for Oct 21 to Oct 27

Number 57, 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
            2   1
  9              
7       5       8
      8   4   3  
  1   5         6
  5   3   9      
6       7        
  7           9  
5   8       3