Verified solution
The shortest route from PERM
PERMPERPPEEPPREPPROPPOOP
- 01PERM → PERP4th letter, M to P
- 02PERP → PEEP3rd letter, R to E
- 03PEEP → PREP2nd letter, E to R
- 04PREP → PROP3rd letter, E to O
- 05PROP → POOP2nd letter, R to O
First moves
What happens after the opening word?
PERM has 6 legal one-letter moves. These are the best routes after move one:
PERP4 leftPERK5 leftPERT5 leftBERM6 leftGERM6 leftTERM6 left
Answer notes
Why there can be more than one answer.
This opening has 1 distinct path at the minimum length of 5. The route shown above is one complete answer, not the only valid sequence. Any route reaching POOP in 5 moves is equally short.
Calculate a route from a different word →