Poople #283: HUBS to POOP

Path analysis

This route reaches POOP in 5 moves. Breadth-first search reaches every route with fewer moves first, so POOP cannot be reached in fewer than 5 moves from HUBS.

Moves

5

Difficulty

Hard

Shortest paths

5

The dictionary has 5 equally short routes; the route below is one of them.

1. Move 1: HUBS → BUBS — change the 1st letter from H to B.
2. Move 2: BUBS → BOBS — change the 2nd letter from U to O.
3. Move 3: BOBS → BOOS — change the 3rd letter from B to O.
4. Move 4: BOOS → BOOP — change the 4th letter from S to P.
5. Move 5: BOOP → POOP — change the 1st letter from B to P.