C132233133112121111331333133313231333133313231311331333131133232111   >>    C13223313311212111133133313331323133313331323131133133313113323211   <<    C132233133112121111331333133313231333133313231311331333131133232113   >>      C132233133112121111331333133313231333133313231311331333131133232112   >>