Verified solution
The shortest route from FUEL
FUELFULLPULLPOLLPOOLPOOP
- 01FUEL → FULL3rd letter, E to L
- 02FULL → PULL1st letter, F to P
- 03PULL → POLL2nd letter, U to O
- 04POLL → POOL3rd letter, L to O
- 05POOL → POOP4th letter, L to P
First moves
What happens after the opening word?
FUEL has 4 legal one-letter moves. These are the best routes after move one:
FULL4 leftDUEL5 leftFEEL5 leftFURL5 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 →