bonanova Posted February 8, 2018 Report Share Posted February 8, 2018 Arrange the Jacks, Queens, Kings and Aces of the four suits { Spades, Hearts, Diamonds, Clubs } in a 4x4 array, in such a manner that: Each row has exactly one card of each rank and one card of each suit. Each column has exactly one card of each rank and one card of each suit. Both major diagonals have exactly one card of each rank and one card of each suit. Euler, the great mathematician, proposed the task of constructing a similar 6x6 array, but instead it was proven to be impossible. Does a 5x5 array exist? Quote Link to comment Share on other sites More sharing options...
1 CaptainEd Posted February 8, 2018 Report Share Posted February 8, 2018 Does this do it? With G as the suit designation for “hippoGriffs”... Using shdcG as the suits and akqjt as the denominations, here is a pattern that I think meets the specs ah tc js qG kd jG qd kh ac ts kc as tG jd qh td jh qc ks aG qs kG ad th jc Quote Link to comment Share on other sites More sharing options...
0 CaptainEd Posted February 8, 2018 Report Share Posted February 8, 2018 Presumably a green suit, but not the Eagles, that were tried in the 1930’s. I remember, but can’t find, a short story about someone bidding bridge against a demon, who wins the bid in no trump and starts leading weird green cards with monstrous figures on them. When the narrator couldn’t follow suit, the demon says “What? No hippogriffs?” Quote Link to comment Share on other sites More sharing options...
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bonanova
Arrange the Jacks, Queens, Kings and Aces of the four suits { Spades, Hearts, Diamonds, Clubs }
in a 4x4 array, in such a manner that:
Euler, the great mathematician, proposed the task of constructing a similar 6x6 array, but instead it was proven to be impossible.
Does a 5x5 array exist?
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