I've beat my head against the wall on a number of grid puzzles, so I thought I would come up with one myself. Share the pain, right? I think this one is pretty easy, actually. It won't make you cross or get you down. The difficulty is for the puzzle, not for the hide.
445410009327500445410009327500445
440009327300445410009327500445410
005327500425410009327500445410009
327300445417009327500445410009327
500495410009927500445410009327500
445419009327510445410009327500445
410009027500448410009327500445410
009327500445410009327500445410009
327500445410009327500445410009327
445410009327500445410009327500500
You can validate your puzzle solution with certitude.
Zntargvp.