River-crossing case
Rookie
D 378
The Ferryman of Gull Rock
Warden Sef works the Gull Rock ferry between the lighthouse jetty and the Gull Rock landing, and the boat holds the ferryman plus 1 more. Everyone and…
Gull Rock: Lantern Order
Night, and the tide covers the causeway. The group must cross the Gull Rock causeway by the light of the storm lantern. Two people can cross at a time, no more. They walk at the slower person's speed. The lantern must go on every trip, so someone must always walk it back. The crossing can be done in 36 minutes, and not one less. Find the plan that fits the time.
- Kind
- River-crossing case
- Difficulty
- D 376
- Tier
- Rookie · D 100–399
- Worth
- 38 pts for a clean solve
- Par time
- 6:36
- Technique
- Depth 2
Points for solving; rating never moves in free play.
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