C1111233131211111211113313331333133313331333133313331333133313331323321231331   >>    C111123313121111121111331333133313331333133313331333133313331333132332123133   <<    C1111233131211111211113313331333133313331333133313331333133313331323321231333   >>      C1111233131211111211113313331333133313331333133313331333133313331323321231332   >>