Whilst staying in a large haunted mansion, Mervin had carelessly lost his friend Debs. She was nowhere to be found, and wasn't answering his calls. Instead of finding her, he discovered this sequence of numbers, etched in dust. Mervin feared that this was the work of one of the ghosts who haunted this mansion, however if these ghosts did indeed exist, they were helpful ghosts.
What are the ghosts trying to tell Mervin?
Mervin is a wizard, do some research on him and the answer may reveal itself.