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"A simple proof that the (n² - 1)-puzzle is hard."

Erik D. Demaine, Mikhail Rudoy (2018)

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DOI: 10.1016/J.TCS.2018.04.031

access: closed

type: Journal Article

metadata version: 2018-07-10

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Erik D. Demaine, Mikhail Rudoy:
A simple proof that the (n² - 1)-puzzle is hard. Theor. Comput. Sci. 732: 80-84 (2018)

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