17:34
It *is* somewhat tricky to plan waitlists, because there are a whole bunch of subgroups you need there. Not just the stats you need to tune and needs people fill (URM, veteran, regional balance, international, STEM), but buckets like "These are the specific STEM majors we might take if we have a bunch of STEM majors go elsewhere, and we've locked down our GPA median, and we need to shore up our LSAT median, and our aid budget is almost exhausted so we need people that would accept a waitlist A with minimal aid (not the 180s)