C1311213331333132332133313331333133313331333133313131121131132211   >>    C131121333133313233213331333133313331333133313331313112113113221   <<    C1311213331333132332133313331333133313331333133313131121131132213   >>      C1311213331333132332133313331333133313331333133313131121131132212   >>