I haven't seen the movie, but reading this reminded me more of a state machine. It seems like it would be tough to keep track of 4 states at once and jump back

I haven't seen the movie, but reading this reminded me more of a state machine. It seems like it would be tough to keep track of 4 states at once and jump back and forth between them. (though it might be easier for engineers since we have been training these mental faculties more than most others)