SEPTEMBER 15, 2025 · PUZZLE #32
PIER to POOP.💩
One shortest route in 5 moves.
00
PIER
START01
PEER
LETTER 202
PEEP
LETTER 403
PREP
LETTER 204
PROP
LETTER 305
POOP
GOAL 💩Why this route takes 5 moves
PIER and POOP differ in 3 letter positions. The shortest accepted-word route needs 2 additional moves; the second letter changes more than once.
Start by changing the second letter: PIER → PEER. Near the goal, PROP is one letter from POOP; the last move changes its second letter.
Every letter change
- PIER → PEER: change letter 2 from I to E.
- PEER → PEEP: change letter 4 from R to P.
- PEEP → PREP: change letter 2 from E to R.
- PREP → PROP: change letter 3 from E to O.
- PROP → POOP: change letter 2 from R to O.
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