ZarankiewiczDB,

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z(19,24) = 100

A search by the scaffold algorithm for matrices of weight greater than 100 yielded no results.

upper bound = 100, submitted by Andrew Kay on April 23rd, 2016 (link)

By deleting a row of weight 5 from Matrix 2080.

lower bound = 100, submitted by Andrew Kay on April 23rd, 2016 (link)

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