C132233133112121111331333133313231333133313231311331333131331232321   >>    C13223313311212111133133313331323133313331323131133133313133123232   <<    C132233133112121111331333133313231333133313231311331333131331232323   >>      C132233133112121111331333133313231333133313231311331333131331232322   >>