C111123313121111121111331333133313331333133313331333133313331323222233312231   >>    C11112331312111112111133133313331333133313331333133313331333132322223331223   <<    C111123313121111121111331333133313331333133313331333133313331323222233312233   >>      C111123313121111121111331333133313331333133313331333133313331323222233312232   >>