C132233133112121111331333133313331312121111133313331333131133132221211211   >>    C13223313311212111133133313331333131212111113331333133313113313222121121   <<    C132233133112121111331333133313331312121111133313331333131133132221211213   >>      C132233133112121111331333133313331312121111133313331333131133132221211212   >>