active
from
X
mark
cons
X
from
s
X
active
head
cons
X
XS
mark
X
active
2nd
cons
X
XS
mark
head
XS
active
take
0
XS
mark
nil
active
take
s
N
cons
X
XS
mark
cons
X
take
N
XS
active
sel
0
cons
X
XS
mark
X
active
sel
s
N
cons
X
XS
mark
sel
N
XS
mark
from
X
active
from
mark
X
mark
cons
X1
X2
active
cons
mark
X1
X2
mark
s
X
active
s
mark
X
mark
head
X
active
head
mark
X
mark
2nd
X
active
2nd
mark
X
mark
take
X1
X2
active
take
mark
X1
mark
X2
mark
0
active
0
mark
nil
active
nil
mark
sel
X1
X2
active
sel
mark
X1
mark
X2
from
mark
X
from
X
from
active
X
from
X
cons
mark
X1
X2
cons
X1
X2
cons
X1
mark
X2
cons
X1
X2
cons
active
X1
X2
cons
X1
X2
cons
X1
active
X2
cons
X1
X2
s
mark
X
s
X
s
active
X
s
X
head
mark
X
head
X
head
active
X
head
X
2nd
mark
X
2nd
X
2nd
active
X
2nd
X
take
mark
X1
X2
take
X1
X2
take
X1
mark
X2
take
X1
X2
take
active
X1
X2
take
X1
X2
take
X1
active
X2
take
X1
X2
sel
mark
X1
X2
sel
X1
X2
sel
X1
mark
X2
sel
X1
X2
sel
active
X1
X2
sel
X1
X2
sel
X1
active
X2
sel
X1
X2
active
1
from
1
mark
1
cons
2
s
1
head
1
2nd
1
take
2
0
0
nil
0
sel
2
INNERMOST
./TRS/TRCSR/Ex7_BLR02_iGM.trs