Poople #134: ARID 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 ARID.

Moves

6

Difficulty

Hard

Shortest paths

3

The dictionary has 3 equally short routes; the route below is one of them.

1. Move 1: ARID → GRID — change the 1st letter from A to G.
2. Move 2: GRID → GRAD — change the 3rd letter from I to A.
3. Move 3: GRAD → GOAD — change the 2nd letter from R to O.
4. Move 4: GOAD → GOOD — change the 3rd letter from A to O.
5. Move 5: GOOD → GOOP — change the 4th letter from D to P.
6. Move 6: GOOP → POOP — change the 1st letter from G to P.