C1311213331333132332133313331333133313331333133313331333133313333321132211   >>    C131121333133313233213331333133313331333133313331333133313331333332113221   <<    C1311213331333132332133313331333133313331333133313331333133313333321132213   >>      C1311213331333132332133313331333133313331333133313331333133313333321132212   >>