Problem 44767. Lights Out 13 - 5x5, three stages, x moves

Created by goc3

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<a href = "https://en.wikipedia.org/wiki/Lights_Out_(game)">Lights Out</a> is a logic game wherein all lights need to be turned off to complete each board. See <a href = "https://www.mathworks.com/matlabcentral/cody/problems/44751-lights-out-1-5x5-3-moves">the first problem in the series</a> for an introduction and <a href = "https://www.mathworks.com/matlabcentral/cody/problems/44766">problem 12</a> for an explanation of three stages.This problem contains boards that each require any number of moves to solve. Recall that lights are activated through three stages: on1 (1) to on2 (2) to off (0). For example, if<pre> board = [1 1 0 2 2 
 1 0 0 0 2 
 0 0 0 0 0 
 0 2 2 0 0 
 2 1 1 2 0]</pre>the answer is:<pre> moves = [1 1 10 15 21]</pre>Up to two moves are possible for each button (index).Prev.: <a href = "https://www.mathworks.com/matlabcentral/cody/problems/44766">5x5, 3 stages, &lt;7 moves</a> — 
Next: <a href = "https://www.mathworks.com/matlabcentral/cody/problems/44769">5x5, 4 stages, x moves</a>

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Problem 44767. Lights Out 13 - 5x5, three stages, x moves

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Problem 44767. Lights Out 13 - 5x5, three stages, x moves

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