Poople #399: DUTY 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 DUTY.

Moves

6

Difficulty

Hard

Shortest paths

2

The dictionary has 2 equally short routes; the route below is one of them.

1. Move 1: DUTY → DULY — change the 3rd letter from T to L.
2. Move 2: DULY → DULL — change the 4th letter from Y to L.
3. Move 3: DULL → PULL — change the 1st letter from D to P.
4. Move 4: PULL → POLL — change the 2nd letter from U to O.
5. Move 5: POLL → POOL — change the 3rd letter from L to O.
6. Move 6: POOL → POOP — change the 4th letter from L to P.