C2221232323213331311331333133313331323133311212322122321131322321   >>    C222123232321333131133133313331333132313331121232212232113132232   <<    C2221232323213331311331333133313331323133311212322122321131322323   >>      C2221232323213331311331333133313331323133311212322122321131322322   >>