MARCH 15, 2026 · PUZZLE #213
FUEL to POOP.💩
One shortest route in 5 moves.
00
FUEL
START01
FULL
LETTER 302
PULL
LETTER 103
POLL
LETTER 204
POOL
LETTER 305
POOP
GOAL 💩Why this route takes 5 moves
FUEL and POOP differ in 4 letter positions. The shortest accepted-word route needs 1 additional move; the third letter changes more than once.
Start by changing the third letter: FUEL → FULL. Near the goal, POOL is one letter from POOP; the last move changes its fourth letter.
Every letter change
- FUEL → FULL: change letter 3 from E to L.
- FULL → PULL: change letter 1 from F to P.
- PULL → POLL: change letter 2 from U to O.
- POLL → POOL: change letter 3 from L to O.
- POOL → POOP: change letter 4 from L to P.
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