C132233133112121111331333133313331323132313231333131133132213331311331311212121   >>    C13223313311212111133133313331333132313231323133313113313221333131133131121212   <<    C132233133112121111331333133313331323132313231333131133132213331311331311212123   >>      C132233133112121111331333133313331323132313231333131133132213331311331311212122   >>