Definitely sit on each of the 50. I would pick the one with the largest aperture and the highest waterline. In the wife's house half of my explosive efforts drop onto and stick on the rear slope of the porcelain. Remedying this in my case involves flushing before use and lots of bum gun use during or after final flushing.
The only thing I think that would be worse than mine would be a German toilet
All over the world "regular" taxis are licensed and pay for licences to operate when the likes of Uber, Bolt , Grab etc do not need or have said licenses. ????