Weekly Extreme Sudoku Competition for May 9 to May 15

Number 190, Extreme
by Crosswords Ltd. December 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
6     4       2  
7       2 1     3
            1    
    2 9 1   7    
            8    
    7   6 8 9    
    3           7
8       5       6
  9       7     1