ZarankiewiczDB,

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z(7,11) = 27

111
111
111
111
111
11
11
11
11
11
11

Found by the general algorithm.

(0.041940526 seconds, score = 27, 181 recursive calls, max depth = 26)

lower bound = 27, submitted by Andrew Kay on April 22nd, 2016 (link, raw)

By Roman's bound with $p = 2$. [Rom75]

upper bound = 27, submitted on April 22nd, 2016 (link)

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