active
f
X
X
mark
f
a
b
active
b
mark
a
mark
f
X1
X2
active
f
mark
X1
X2
mark
a
active
a
mark
b
active
b
f
mark
X1
X2
f
X1
X2
f
X1
mark
X2
f
X1
X2
f
active
X1
X2
f
X1
X2
f
X1
active
X2
f
X1
X2
active
1
f
2
mark
1
a
0
b
0
FULL
./TRS/TRCSR/Ex16_Luc06_iGM.trs