C132233133112121111331333133313331333132322331333131211113313331311331333312121   >>    C13223313311212111133133313331333133313232233133313121111331333131133133331212   <<    C132233133112121111331333133313331333132322331333131211113313331311331333312123   >>      C132233133112121111331333133313331333132322331333131211113313331311331333312122   >>