[Rule generation——]
[Rule 1: There is no 4th floor button in the elevator. If it lights up, please close your eyes and count for 10 seconds immediately.
[Rule 2: When the announcement announces your name, you must exit the elevator on the next floor, otherwise you will be replaced by a "stranded person".
[Rule 3: The elevator can carry up to 4 people. When it is overloaded, count the "extra" feet first.