Weekly Extreme Sudoku Competition for Feb 26 to Mar 4

Number 545, Extreme
by Crosswords Ltd. February puzzle packs Now Out!. Thanks for supporting our site.

All entries must be in by the end of Saturday, Mar 4 23:59 EST, USA
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
  4 2   7     3  
      8   4      
        1     7  
    8       5   7
  2           9  
6   5       1    
  5     3        
      2   1      
  3 4 7 9   6 8