C2221232323213331311331333133313231333131133231323323223322331231   >>    C222123232321333131133133313331323133313113323132332322332233123   <<    C2221232323213331311331333133313231333131133231323323223322331233   >>      C2221232323213331311331333133313231333131133231323323223322331232   >>