C2221232323213331311331333133313231333132323132332323331322312231   >>    C222123232321333131133133313331323133313232313233232333132231223   <<    C2221232323213331311331333133313231333132323132332323331322312233   >>      C2221232323213331311331333133313231333132323132332323331322312232   >>