C13223313311212111133133313331333133313231323133213331311331311331333233111   >>    C1322331331121211113313331333133313331323132313321333131133131133133323311   <<    C13223313311212111133133313331333133313231323133213331311331311331333233113   >>      C13223313311212111133133313331333133313231323133213331311331311331333233112   >>