I don't mean this in an "I know better" way, just genuine curiosity: why couldn't you record a solution with pauses and then strip them from the replay file?
replyI tried but the change in behaviour immediately before and after the pause could be seen in the playback.
replyIt's the time it takes to go "uhh, I'm stuck, I'd better pause" and then the bit before your brain kicks in following a pause.