active
zeros
mark
cons
0
zeros
active
tail
cons
X
XS
mark
XS
mark
zeros
active
zeros
mark
cons
X1
X2
active
cons
mark
X1
X2
mark
0
active
0
mark
tail
X
active
tail
mark
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
tail
mark
X
tail
X
tail
active
X
tail
X
active
1
zeros
0
mark
1
cons
2
0
0
tail
1
FULL
./TRS/TRCSR/Ex4_7_77_Bor03_iGM.trs