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Level 14:
On the side immediately to the right of this turn all switches except for a random blue one. Turn the side once more to the right. Over here turn 3 random purple and 1 random yellow switch.

Side note: before starting on any of the switches, you can grind the turn 100 switches on this level easily.

Level 15:
This level is similar to the game lines. First, make sure all 5 symbols on the left have a pink line running towards them. Then make a line between the 2 yellow/orange symbols on the right. Finally, aline around the yellow line between the 2 blue ones.
If you first select the spot where my marker is set, you get the short circuit achievement for messing up the circuit. Then click here again and select the spot to the top right of this.


Level 16:
Turn to the side with the switches:
3 purple, 4 blue, 2 yellow.

Level 17:
First side, move them from top to bottom so many times to the right: 7, 2, 5.

Side to the right of that, turn the outer circle to 5:00, the inner one to 7:00.

One more side to the right, make an X by flipping 5 of the switches.

Last side, the top 2 yellow ones, and the bottom and top pink ones need to get electricity from the 2 center electricity boxes of their corresponding color.


Level 18:
First side to the right:
Make a letter I, and a 2 by 4 block.

Next side, two 2 by 4 blocks.
Last side, make a "circle"