C1111233131211111211113313331333133313331333133313331333133313331322221322231   >>    C111123313121111121111331333133313331333133313331333133313331333132222132223   <<    C1111233131211111211113313331333133313331333133313331333133313331322221322233   >>      C1111233131211111211113313331333133313331333133313331333133313331322221322232   >>