Poople #9: FARM 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 FARM.

Moves

6

Difficulty

Hard

Shortest paths

22

The dictionary has 22 equally short routes; the route below is one of them.

1. Move 1: FARM → FORM — change the 2nd letter from A to O.
2. Move 2: FORM → DORM — change the 1st letter from F to D.
3. Move 3: DORM → DOOM — change the 3rd letter from R to O.
4. Move 4: DOOM → BOOM — change the 1st letter from D to B.
5. Move 5: BOOM → BOOP — change the 4th letter from M to P.
6. Move 6: BOOP → POOP — change the 1st letter from B to P.