AUGUST 4, 2026 · PUZZLE #355
REIN to POOP.💩
One shortest route in 6 moves.
00
REIN
START01
RAIN
LETTER 202
LAIN
LETTER 103
LOIN
LETTER 204
LOON
LETTER 305
LOOP
LETTER 406
POOP
GOAL 💩Why this route takes 6 moves
REIN and POOP differ in 4 letter positions. The shortest accepted-word route needs 2 additional moves; the first and second letters change more than once.
Start by changing the second letter: REIN → RAIN. Near the goal, LOOP is one letter from POOP; the last move changes its first letter.
Every letter change
- REIN → RAIN: change letter 2 from E to A.
- RAIN → LAIN: change letter 1 from R to L.
- LAIN → LOIN: change letter 2 from A to O.
- LOIN → LOON: change letter 3 from I to O.
- LOON → LOOP: change letter 4 from N to P.
- LOOP → POOP: change letter 1 from L to P.
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