Verified solution
The shortest route from CASH
CASHCASTCOSTCOOTCOOPPOOP
- 01CASH → CAST4th letter, H to T
- 02CAST → COST2nd letter, A to O
- 03COST → COOT3rd letter, S to O
- 04COOT → COOP4th letter, T to P
- 05COOP → POOP1st letter, C to P
First moves
What happens after the opening word?
CASH has 13 legal one-letter moves. These are the best routes after move one:
COSH4 leftCAST4 leftBASH5 leftLASH5 leftRASH5 leftCASE5 leftCASK5 leftDASH6 leftGASH6 leftHASH6 leftMASH6 leftSASH6 leftWASH6 left
Answer notes
Why there can be more than one answer.
This opening has 2 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 →