C2221232323213331311331333133313331323132313331333112123122132121112211   >>    C222123232321333131133133313331333132313231333133311212312213212111221   <<    C2221232323213331311331333133313331323132313331333112123122132121112213   >>      C2221232323213331311331333133313331323132313331333112123122132121112212   >>