A
7
4
8
2
1
5
6
B
2
6
3
8
1
5
7
C
9
6
2
7
0
4
5
D
8
0
9
6
1
E
5
7
9
6
3
8
2
4
F
9
7
3
4
6
G
4
1
7
3
0
H
6
5
3
1
I
4
3
1
0
6
8
7
J
7
8
4
6
5
9
1
2
0
3
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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