C2221232323213331311331333133313331323132313331333112123122132122331311211   >>    C222123232321333131133133313331333132313231333133311212312213212233131121   <<    C2221232323213331311331333133313331323132313331333112123122132122331311213   >>      C2221232323213331311331333133313331323132313331333112123122132122331311212   >>