ZarankiewiczDB,

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z(12,25) = 70

111111
111111
111111
111111
111111
111111
11111
111111
11111
111111
111111
111111

Found by the scaffold algorithm.

(7.697749575 seconds, score = 70, 49816 recursive calls, max depth = 35)

weight = 70, submitted by Andrew Kay on April 22nd, 2016 (link, raw)

Related: Matrix 2230

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

upper bound = 70, submitted on April 22nd, 2016 (link)

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