SMB2J 1-2 Elevators Spawning Very Close Together

Earlier today, iball1_ accidentally got these elevators to spawn pretty close to each other (   / resilienttalentedlouseanele-w0f5dbluqtggr2oi   ), and I had not seen this before so I investigated this myself and was able to re-create it, and then added some cool wall clips to make this more entertaining :) After I understood the conditions to get this to happen, I was able to manipulate the elevators to be even closer together than what iball got. The elevators can be even closer together, but then you cant stand in-between them, which I wanted to be able to do. Getting this to happen has to do with how after 1 of the elevators spawns, all enemy slots are full at the spot I stand and wait at at the start of the video, and then as soon as one of the koopas despawns a second elevator spawns. This means that you can manipulate the Y position of one of the elevators simply by manipulating when the koopa despawns. You can see that in the clip of iball, he runs into the block that you wait at, but I stop just before it. Doing this keeps the koopa alive a little bit longer, and therefore makes the elevators spawn closer together.