C1311213331333132332133313331333133313331333133313331333133313331122211331   >>    C131121333133313233213331333133313331333133313331333133313331333112221133   <<    C1311213331333132332133313331333133313331333133313331333133313331122211333   >>      C1311213331333132332133313331333133313331333133313331333133313331122211332   >>