-The solution-

  You hesitate for a moment, wondering what would happen if you entered the wrong combination, but then you pull yourself together.

  You reach for the symbols and first press the stars into the wall, which stand for the first number "5".

  Then you turn to the sun and do the same. It stands for the "1".

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  Finally, press the two moons that represent the number "2".

  There is silence for a few seconds, but then you hear another deafening rumble and the sound of stone hitting stone. The wall on which the symbols were located moves aside, and you can step out into the open!

  Now, however, you still need to find out whether the flashlight has gone out or can continue to shine.

  Choose between one of these sections:

  - Section 30

  - Section 31

  Then go to section 20.