I'd like to ask again for feedback on my sandbox challenge:
https://codegolf.meta.stackexchange.com/a/26456/123885
In particular, I haven't had any feedback yet on the newest formulation of the I/O format. Is there any opposition to it, or anything that can be tweaked? I also have an idea for a more restrictive, unambiguous input format, if people would prefer that.
As of now, I'm hoping that the current, flexible input format would minimize the cumbersomeness of I/O and invite a wide variety of different approaches based on different choices of input format. The downside is that there m…