vaporstrike

Dork, Streamer, Nerd

PFP by: Pericote9

Hello! I am a nerd who is working on a TTRPG game! Check out my Pinned posts for more info!

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in reply to @lexyeevee's post:

it's pretty easy to solve actually! starting from the second row, click on the switches under a "on" switch. you keep going until the only ones left to turn off are in the bottom row. depending on the configuration, you click a specific switch in the top row and chase the lights again

my explanation was prolly shit but i like this puzzle a lot so there you go. surprise rambling

The solution is called Chasing The Lights, and it's way easier than you'd think, because the starting pattern is actually irrelevant to solving the puzzle!

The first goal is to have only the lights on the bottom row active. You do this from any starting configuration by toggling the light below any active light on the top row. Then the second, third, and fourth rows.

Once you've only got lights in the bottom row, there are only 7 total possible solutions, regardless of the configuration, and all they require you to do is click two lights in the top row (based on the bottom row), and then Chase The Lights again, and when you do, you chase them into and including the last row, and it's done.

The 7 solutions are here: https://www.logicgamesonline.com/lightsout/tutorial.html

Though also since the puzzle is, iirc, fully reversible (to rewind you just do the same moves in reverse order and get back to where you started), with exactly two states... The game of Lights On is mathematically equivalent to Lights Out, so I'd say yeah they count.

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