C132233133112121111331333133313331312121111133313331333131133223221   >>    C13223313311212111133133313331333131212111113331333133313113322322   <<    C132233133112121111331333133313331312121111133313331333131133223223   >>      C132233133112121111331333133313331312121111133313331333131133223222   >>