Verified solution
The shortest route from REPO
REPOREPSRAPSCAPSCOPSCOOSCOOPPOOP
- 01REPO → REPS4th letter, O to S
- 02REPS → RAPS2nd letter, E to A
- 03RAPS → CAPS1st letter, R to C
- 04CAPS → COPS2nd letter, A to O
- 05COPS → COOS3rd letter, P to O
- 06COOS → COOP4th letter, S to P
- 07COOP → POOP1st letter, C to P
First moves
What happens after the opening word?
REPO has 3 legal one-letter moves. These are the best routes after move one:
REDO6 leftREPS6 leftRENO7 left
Answer notes
Why there can be more than one answer.
This opening has 13 distinct paths at the minimum length of 7. The route shown above is one complete answer, not the only valid sequence. Any route reaching POOP in 7 moves is equally short.
Calculate a route from a different word →