I'm still convinced that there are other styles hidden in there somewhere. Though maybe not easily obtainable else we'd know about it from those who don't understand embargoes
There's a very conspicuous gap there. They could have separated theme evenly, but they instead decided to have that gap. I tested and they can fit two more styles into that
So, if they ever do, my money is on the Super Mario All Stars look and the Super Mario Land 2 Look