g
A
A
g
B
A
g
B
B
g
C
A
g
C
B
g
C
C
foldB
t
0
t
foldB
t
s
n
f
foldB
t
n
B
foldC
t
0
t
foldC
t
s
n
f
foldC
t
n
C
f
t
x
f'
t
g
x
f'
triple
a
b
c
C
triple
a
b
s
c
f'
triple
a
b
c
B
f
triple
a
b
c
A
f'
triple
a
b
c
A
f''
foldB
triple
s
a
0
c
b
f''
triple
a
b
c
foldC
triple
a
b
0
c
fold
t
x
0
t
fold
t
x
s
n
f
fold
t
x
n
x
g
1
A
0
B
0
C
0
foldB
2
0
0
s
1
f
2
foldC
2
f'
2
triple
3
f''
1
fold
3
INNERMOST
./TRS/Cime/filliatre3.trs