A
6
1
2
5
9
7
0
4
3
B
8
2
1
6
5
3
7
C
9
4
5
2
7
3
1
D
0
1
3
9
4
8
7
6
E
2
9
0
1
8
5
F
3
1
8
9
6
G
7
3
0
8
5
2
4
H
7
2
4
1
6
I
1
7
0
3
8
J
3
8
5
7
6
9
A
B
C
D
E
F
G
H
I
J
Click on a white box to add a number.
You can only change the numbers you place on the board
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