C31231211113313121211113313331323133313331333132322232133313221111   >>    C3123121111331312121111331333132313331333133313232223213331322111   <<    C31231211113313121211113313331323133313331333132322232133313221113   >>      C31231211113313121211113313331323133313331333132322232133313221112   >>