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Rhem 4 Hints
How do I open the safe in the concrete pillar?
1 of 5: Walk around the pillar.
2 of 5: On the western wall of the pillar you can see a color panel that unlocks the safe. That looks similar to something you saw before.
3 of 5: Go to the color room. There's a record in a safe that shows a similar color pattern.
4 of 5: As the record "background" is split vertically between yellow and blue and the safe panel is split horizontally, you can only transfer the three dots at the lower left and the three dots at the top right edge directly. The others have to be converted.
5 of 5: Each color is displayed as seen through a lens of the color on the background. You can use the lenses above the box to help but simple color arithmetic does the job: If a color is displayed orange on a yellow background, it must be red; therefore it's violet on a blue background. If a color is green on a yellow background, it must be blue, therefore on a blue background it is also blue and if it is displayed yellow on a yellow background it is yellow and must be shown green on a blue background.
