C11112331312111112111133133313121111331121131211111333133313223313332231   >>    C1111233131211111211113313331312111133112113121111133313331322331333223   <<    C11112331312111112111133133313121111331121131211111333133313223313332233   >>      C11112331312111112111133133313121111331121131211111333133313223313332232   >>