DECEMBER 24, 2025 · PUZZLE #132
RIFF to POOP.💩
One shortest route in 6 moves.
00
RIFF
START01
RIFT
LETTER 402
LIFT
LETTER 103
LOFT
LETTER 204
LOOT
LETTER 305
LOOP
LETTER 406
POOP
GOAL 💩Why this route takes 6 moves
RIFF and POOP differ in 4 letter positions. The shortest accepted-word route needs 2 additional moves; the first and fourth letters change more than once.
Start by changing the fourth letter: RIFF → RIFT. Near the goal, LOOP is one letter from POOP; the last move changes its first letter.
Every letter change
- RIFF → RIFT: change letter 4 from F to T.
- RIFT → LIFT: change letter 1 from R to L.
- LIFT → LOFT: change letter 2 from I to O.
- LOFT → LOOT: change letter 3 from F to O.
- LOOT → LOOP: change letter 4 from T to P.
- LOOP → POOP: change letter 1 from L to P.
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