C132233133112121111331333133313331312121111133313331333131133132233313112211   >>    C13223313311212111133133313331333131212111113331333133313113313223331311221   <<    C132233133112121111331333133313331312121111133313331333131133132233313112213   >>      C132233133112121111331333133313331312121111133313331333131133132233313112212   >>