Also while you don’t strictly play hard mode, you hold yourself to it the vast majority of the time, afaict. And working within that limitation makes a difference as well.
I keep thinking that at some point they’ve got to start re-using past solutions, otherwise the available pool of solutions will dwindle. Maybe they’ll start doing that at the beginning of 2025. If I were running the game, I’d exclude maybe the most recent 6 to 12 months’ solutions, but put the older solutions back in play on a continuous basis. But I’m not, so I guess we’ll see what happens. I really think they need to start doing it fairly soon though.
ETA: Post #9999 in the thread!