JANUARY 23, 2026 · PUZZLE #162
RIGS to POOP.💩
One shortest route in 5 moves.
00
RIGS
START01
CIGS
LETTER 102
COGS
LETTER 203
COOS
LETTER 304
COOP
LETTER 405
POOP
GOAL 💩Why this route takes 5 moves
RIGS 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: RIGS → CIGS. Near the goal, COOP is one letter from POOP; the last move changes its first letter.
Every letter change
- RIGS → CIGS: change letter 1 from R to C.
- CIGS → COGS: change letter 2 from I to O.
- COGS → COOS: change letter 3 from G to O.
- COOS → COOP: change letter 4 from S to P.
- COOP → POOP: change letter 1 from C to P.
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