C132233133112121111331333133313231333133313231311331333131331122232321   >>    C13223313311212111133133313331323133313331323131133133313133112223232   <<    C132233133112121111331333133313231333133313231311331333131331122232323   >>      C132233133112121111331333133313231333133313231311331333131331122232322   >>