C2221232323213331311331333133313331323132313222212312122131223131   >>    C222123232321333131133133313331333132313231322221231212213122313   <<    C2221232323213331311331333133313331323132313222212312122131223133   >>      C2221232323213331311331333133313331323132313222212312122131223132   >>