A program, in development by Katelyn Doucette, produces the following space-time diagrams for some notable Fractran Programs, under the following principle: Each color represents a prime factor. Left -> right colors indicating the index of that register, and how wide the color is representing how big the value is at that step.
The space-time diagram of the BBf(22) Cryptid
The space-time diagram of Hydra.
A brave busy beaver confronts the dreaded Antihydra. Copyright Nico Roper.
The space-time diagram of the BBf(22) CryptidThe space-time diagram of Hydra.The space-time diagram of Frankenstein's Monster.The space-time diagram of Space Needle.