C132233133112121111331333133313331312121111133313331333131333133313121   >>    C13223313311212111133133313331333131212111113331333133313133313331312   <<    C132233133112121111331333133313331312121111133313331333131333133313123   >>      C132233133112121111331333133313331312121111133313331333131333133313122   >>