100 Walls Wall 20:
Press the play button, then tap the wall 20 circle.
Follow the triangle with your finger on the screen and the lights will turn on one by one.
If the lights aren't all on, close it, press the play button, tap the wall 20 circle, and trace it again.
When all the lights are on, press the enter button.
Proceed to the next 100 Walls level!
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