Daily Jigsaw Sudoku Competition Entry for Feb 17
Number 4122, Tough
by Crosswords Ltd, www.sudoku.org.uk

Comparison of your submission to the correct answer

Clues are in BLUE
Solutions are in BLACK
Your errors are in RED

9 occurs more than once in Row I
9 occurs more than once in Column 1

1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
6 2 5 7 8 4 3 1 9
4 9 8 3 2 6 1 5 7
3 7 1 4 9 5 2 6 8
5 3 6 1 7 8 9 2 4
2 1 7 5 4 9 6 8 3
1 8 4 9 3 2 5 7 6
8 5 3 6 1 7 4 9 2
9 6 2 8 5 3 7 4 1
7,9 4 9 2 6 1 8 3 5