This is an evolution of the Faultlines puzzles (GCAN1NE, for instance). The mechanism is the same, but the layout (thanks ddlatham!) and extraction are altered.
Here is a PDF version for printing, and here is a Google Sheets version for online solving.
As the cache owner, I assure you that these files are safe to download, although they have not been checked by Groundspeak for malicious content. Download at your own risk.
You can validate your puzzle solution with
certitude.