Daily Gentle Sudoku for Dec 21

by Crosswords Ltd, www.sudoku.org.uk

(Note: not for competition entry - see Daily Competition Sudoku)
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
        2 8   6 5
    5       4    
2   7     1      
5       7       2
      1   6      
4       9       7
      5 8   1   4
    4       3    
9 1   6 4