DECEMBER 31, 2025 · PUZZLE #139
RICH to POOP.💩
One shortest route in 6 moves.
00
RICH
START01
LICH
LETTER 102
LICK
LETTER 403
LOCK
LETTER 204
LOOK
LETTER 305
LOOP
LETTER 406
POOP
GOAL 💩Why this route takes 6 moves
RICH 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 first letter: RICH → LICH. Near the goal, LOOP is one letter from POOP; the last move changes its first letter.
Every letter change
- RICH → LICH: change letter 1 from R to L.
- LICH → LICK: change letter 4 from H to K.
- LICK → LOCK: change letter 2 from I to O.
- LOCK → LOOK: change letter 3 from C to O.
- LOOK → LOOP: change letter 4 from K to P.
- LOOP → POOP: change letter 1 from L to P.
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