C132233133112121111331333133313331312121111133313331333131133133313221111   >>    C13223313311212111133133313331333131212111113331333133313113313331322111   <<    C132233133112121111331333133313331312121111133313331333131133133313221113   >>      C132233133112121111331333133313331312121111133313331333131133133313221112   >>