C2221232323213331311331333133313231333131133231323323223321233321   >>    C222123232321333131133133313331323133313113323132332322332123332   <<    C2221232323213331311331333133313231333131133231323323223321233323   >>      C2221232323213331311331333133313231333131133231323323223321233322   >>