C31231211113313121211113313113313331333131133133313133313231333133313222331121   >>    C3123121111331312121111331311331333133313113313331313331323133313331322233112   <<    C31231211113313121211113313113313331333131133133313133313231333133313222331123   >>      C31231211113313121211113313113313331333131133133313133313231333133313222331122   >>