C2221232323213331311331333133313331323132313331333112123122132113111223131   >>    C222123232321333131133133313331333132313231333133311212312213211311122313   <<    C2221232323213331311331333133313331323132313331333112123122132113111223133   >>      C2221232323213331311331333133313331323132313331333112123122132113111223132   >>