C2221232323213331311331333133313331323132313331333112123122132312231321   >>    C222123232321333131133133313331333132313231333133311212312213231223132   <<    C2221232323213331311331333133313331323132313331333112123122132312231323   >>      C2221232323213331311331333133313331323132313331333112123122132312231322   >>