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Lighthouse Hints
What about the valves near the crater?
1 of 7: There are seven valves in the room near the crater.
2 of 7: You can get a clue about their function from the pipe colors.
3 of 7: You need to open all the valves to turn them on.
4 of 7: Listen to the sound to tell when they are on -- it sounds like steam being released.
5 of 7: Turning them off makes a sound like air being sucked back, rising in pitch.
