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Miwin's dice : ウィキペディア英語版 | Miwin's dice
Miwin's Dice are a set of nontransitive dice invented in 1975 by the physicist Michael Winkelmann. They consist of three different dice with faces bearing numbers from 1 to 9; opposite faces sum to 9, 10, or 11. The numbers on each die give the sum of 30 and have an arithmetic mean of 5. ==Description==
Miwin's dice have 6 sides, each of which bear a number, depicted in a pattern of dots. The standard set is made of wood; special designs are made of titanium or other materials (gold, silver).
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