Trace: CAT

C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
CAT
CATCATCATCATCAT
CATCATCATCATCAT