Weekly Extreme Sudoku Competition for Jan 14 to Jan 20

Number 17, Extreme
by Crosswords Ltd. November 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 9             3
    7       5    
      8 1 6      
  8   6   7   3  
      9 2 3      
  3   1   4   9  
      4 9 2      
    3       1    
8             5 7