C2221232323213331311331333133313331323132313331333112123122132312333211   >>    C222123232321333131133133313331333132313231333133311212312213231233321   <<    C2221232323213331311331333133313331323132313331333112123122132312333213   >>      C2221232323213331311331333133313331323132313331333112123122132312333212   >>