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