Fig.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
FIG. 6
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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