C1311213331333132332133313331333133313121111331333133313331333133313321211   >>    C131121333133313233213331333133313331312111133133313331333133313331332121   <<    C1311213331333132332133313331333133313121111331333133313331333133313321213   >>      C1311213331333132332133313331333133313121111331333133313331333133313321212   >>