C111112111133131121133133313331333133313121111331333133323213331322221   >>    C11111211113313112113313331333133313331312111133133313332321333132222   <<    C111112111133131121133133313331333133313121111331333133323213331322223   >>      C111112111133131121133133313331333133313121111331333133323213331322222   >>