Verified solution
The shortest route from GRAY
GRAYGREYPREYPREPPROPPOOP
- 01GRAY → GREY3rd letter, A to E
- 02GREY → PREY1st letter, G to P
- 03PREY → PREP4th letter, Y to P
- 04PREP → PROP3rd letter, E to O
- 05PROP → POOP2nd letter, R to O
First moves
What happens after the opening word?
GRAY has 11 legal one-letter moves. These are the best routes after move one:
CRAY4 leftPRAY4 leftGREY4 leftGRAD4 leftGRAM4 leftBRAY5 leftFRAY5 leftTRAY5 leftXRAY5 leftGRAB5 leftGRAN5 left
Answer notes
Why there can be more than one answer.
This opening has 9 distinct paths 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 →