C11112331312111112111133133313331333133313331333133313331333131121113231323321   >>    C1111233131211111211113313331333133313331333133313331333133313112111323132332   <<    C11112331312111112111133133313331333133313331333133313331333131121113231323323   >>      C11112331312111112111133133313331333133313331333133313331333131121113231323322   >>