This is so dumb. It isn't the printers where you could solve this but the slicers and slicers are for the most part open source. Effectively this is another ban on particular numbers. The printers just execute G-code and to make a printer aware of what it is that it is printing requires a completely different level of processing than what is normally present in the printers. Besides that, you could break anything up into parts that don't necessarily look like the complete article.