I had the misfortune of encountering this phenomenon twice in the past four days or so. I switched train cars in both indications. Though really truly this was the first time that I had seen this many empty seats surrounding each respective person. Usually there’s about a two seat buffer from someone with terrible B.O, but in this case there was at least one section of seats empty before there were anyone else close by. I was particularly amused by the small exodus of eight people moving to a separate car when they got the opportunity.