And if four clubs was to be taken as natural, presumably South had missorted his hand, perhaps originally thinking he had 4-3-3-3 distribution when he was really 7-3-3-0; or, more likely, he had a six-card club suit and was willing to risk ending in four no-trump if North did not have extra values.

The interesting aspect here is that U₃ is irreducible, even though all irreps over the complexes are one-dimensional because ℤ₄ is abelian.

The miser, a-seeking lost gelt, The doughboy, awaiting the battle, May possibly know how I felt While the long years dragged by as the dealer As slow as the slowest of dubs, Stuck out the last helping of tickets 'Till I lifted—the Bullet of Clubs!

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