Fig.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
FIG. 9
Q - Z
1
`
A B C
2
\
D E F
3
=
G H I
4
<
J K L
5
/
M N O
6
>
P R S
7
{
T U V
8
_
W X Y
9
}
*
0
+
#
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