C1311213331333132332133313331333133313121111331333133313331122211111   >>    C131121333133313233213331333133313331312111133133313331333112221111   <<    C1311213331333132332133313331333133313121111331333133313331122211113   >>      C1311213331333132332133313331333133313121111331333133313331122211112   >>