C11112331312111112111133133313331333132323213331333131133231323132311   >>    C1111233131211111211113313331333133313232321333133313113323132313231   <<    C11112331312111112111133133313331333132323213331333131133231323132313   >>      C11112331312111112111133133313331333132323213331333131133231323132312   >>