> On the other hand... how many possible 17x17 4-colored grids are there? Can this be brute forced? 4^(17*17) ~= 10^173.. a bit too many to brute force, but I'

> On the other hand... how many possible 17x17 4-colored grids are there? Can this be brute forced? 4^(17*17) ~= 10^173.. a bit too many to brute force, but I'm sure you could narrow the number down a lot with simple heuristics (though it would still be too large to brute force).