Weekly Extreme Sudoku Competition for Feb 26 to Mar 4

Number 858, 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
7         9     5
2       1        
  4   2   5   7  
6           3    
5   9       4   8
  2 8           9
  6   5   3   8  
        9       1
8     1         3