C132233133112121111331333133313331333132331213331333133321123222211   >>    C13223313311212111133133313331333133313233121333133313332112322221   <<    C132233133112121111331333133313331333132331213331333133321123222213   >>      C132233133112121111331333133313331333132331213331333133321123222212   >>