Problem: this problem was written by chat gpt

Code: this+problem+was+written+by+chat+gpt/tails_1697077255

Nibbles version: 0.2 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 | 1.00

Format: Compact | Simple | +Type | Table | JSON | .nbl (DeBruijn) | .nbl (names)

Cannot parse the code in the specified version.