C31231211113313121211113313331333133313311211331333131333131133133313331322111   >>    C3123121111331312121111331333133313331331121133133313133313113313331333132211   <<    C31231211113313121211113313331333133313311211331333131333131133133313331322113   >>      C31231211113313121211113313331333133313311211331333131333131133133313331322112   >>