Undecidable. https://en.wikipedia.org/wiki/Undecidable_problem https://en.wikipedia.org/wiki/Undecidable_problem See here for a concrete example of a similar

Undecidable. https://en.wikipedia.org/wiki/Undecidable_problem https://en.wikipedia.org/wiki/Undecidable_problem See here for a concrete example of a similar problem (props to adrianN for the link in the first place): https://en.wikipedia.org/wiki/Wang_tile#Domino_problem https://en.wikipedia.org/wiki/Wang_tile#Domino_problem