ZarankiewiczDB,

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z(13,16) = 57

111
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111
111
111
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Found by the scaffold algorithm.

(0.027182226 seconds, score = 57, 59 recursive calls, max depth = 13)

weight = 57, submitted by Andrew Kay on April 22nd, 2016 (link, raw)

By the density principle on z(12,16).

upper bound = 57, submitted on April 22nd, 2016 (link)

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