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You can see an old puzzle I concocted based on block designs and projective planes here: http://cromwellian.blogspot.com/search/label/puzzles http://cromwellian
by cromwellian 11y ago
You can see an old puzzle I concocted based on block designs and projective planes here: http://cromwellian.blogspot.com/search/label/puzzles http://cromwellian.blogspot.com/search/label/puzzles
Solution at top, so scroll to the bottom first.
There are practical applications. :)