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Abstract
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We show that the center-one configuration is always solvable in the Lights Out puzzle
on a square grid with odd vertices.
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Keywords
Lights Out, path graph, Cartesian product, linear code
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Mathematical Subject Classification 2010
Primary: 05C57
Secondary: 05C38, 91A46, 94B60
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Milestones
Received: 22 September 2018
Accepted: 25 October 2018
Published: 16 April 2019
Communicated by Kenneth S. Berenhaut
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