C11112331312111112111133133313331333133313331333133313331333131133133322311111   >>    C1111233131211111211113313331333133313331333133313331333133313113313332231111   <<    C11112331312111112111133133313331333133313331333133313331333131133133322311113   >>      C11112331312111112111133133313331333133313331333133313331333131133133322311112   >>