t
r
a
n
s
l
a
31
t
1
r
_
2
a
3
n
6
a
7
t
8
r
9
a
10
n
11
s
12
l
13
a
14
t
15
r
16
a
17
n
18
s
19
l
20
a
t
r
a
n
s
l
a