C1111121111331311211331333133313331333133313121111331133132322231   >>    C111112111133131121133133313331333133313331312111133113313232223   <<    C1111121111331311211331333133313331333133313121111331133132322233   >>      C1111121111331311211331333133313331333133313121111331133132322232   >>