C2221232323213331311331333133313331323132313222212312332113212131   >>    C222123232321333131133133313331333132313231322221231233211321213   <<    C2221232323213331311331333133313331323132313222212312332113212133   >>      C2221232323213331311331333133313331323132313222212312332113212132   >>