Poople #69: STUB to POOP

Path analysis

This route reaches POOP in 6 moves. Breadth-first search reaches every route with fewer moves first, so POOP cannot be reached in fewer than 6 moves from STUB.

Moves

6

Difficulty

Hard

Shortest paths

4

The dictionary has 4 equally short routes; the route below is one of them.

1. Move 1: STUB → SNUB — change the 2nd letter from T to N.
2. Move 2: SNUB → SNOB — change the 3rd letter from U to O.
3. Move 3: SNOB → SLOB — change the 2nd letter from N to L.
4. Move 4: SLOB → SLOP — change the 4th letter from B to P.
5. Move 5: SLOP → PLOP — change the 1st letter from S to P.
6. Move 6: PLOP → POOP — change the 2nd letter from L to O.