DECEMBER 25, 2025 · PUZZLE #133
WELT to POOP.💩
One shortest route in 5 moves.
00
WELT
START01
BELT
LETTER 102
BOLT
LETTER 203
BOOT
LETTER 304
BOOP
LETTER 405
POOP
GOAL 💩Why this route takes 5 moves
WELT and POOP differ in 4 letter positions. The shortest accepted-word route needs 1 additional move; the first letter changes more than once.
Start by changing the first letter: WELT → BELT. Near the goal, BOOP is one letter from POOP; the last move changes its first letter.
Every letter change
- WELT → BELT: change letter 1 from W to B.
- BELT → BOLT: change letter 2 from E to O.
- BOLT → BOOT: change letter 3 from L to O.
- BOOT → BOOP: change letter 4 from T to P.
- BOOP → POOP: change letter 1 from B to P.
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