ZarankiewiczDB,

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z(12,22) = 65

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

Found by the scaffold algorithm.

(0.431203127 seconds, score = 65, 2639 recursive calls, max depth = 31)

lower bound = 65, submitted by Andrew Kay on April 22nd, 2016 (link, raw)

By the density principle on z(11,22).

upper bound = 65, submitted on April 22nd, 2016 (link)

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