Poople #139: RICH 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 RICH.

Moves

6

Difficulty

Hard

Shortest paths

2

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

1. Move 1: RICH → LICH — change the 1st letter from R to L.
2. Move 2: LICH → LOCH — change the 2nd letter from I to O.
3. Move 3: LOCH → LOCK — change the 4th letter from H to K.
4. Move 4: LOCK → LOOK — change the 3rd letter from C to O.
5. Move 5: LOOK → LOOP — change the 4th letter from K to P.
6. Move 6: LOOP → POOP — change the 1st letter from L to P.