AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
aAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
0
0
0
1
ABCDEFG
A
C
B
2
ABCDEFG
b
a
3
ABCDEFG
a
v
4
ABCDEFG
ABCDEFG
ABCDEFG
5
ABCDEFG
ABCDEFG
ABCDEFG
6
ABCDEFG
ABCDEFG
ABCDEFG