C1311213331333132332133313331333133313331333133313331333131232232113321   >>    C131121333133313233213331333133313331333133313331333133313123223211332   <<    C1311213331333132332133313331333133313331333133313331333131232232113323   >>      C1311213331333132332133313331333133313331333133313331333131232232113322   >>