English: The 81 Set card showing all possible combinations of the four features, by CMG Lee. The icons are different to avoid copyright infringement. Considering each 3×3 group as a plane aligned in 4-dimensional space, a set comprises 3 cards in a (4-dimensional) row, with wrap-around. An example 20-card maximal cap set from https://web.archive.org/web/20130605073741/http://math.rutgers.edu/~maclagan/papers/set.pdf is shaded yellow.
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Short title
Set isomorphic cards
Image title
A complete set of 81 cards isomorphic with those of the game Set showing all possible combinations of the four features, by CMG Lee. The icons are different to avoid copyright infringement. Considering each 3x3 group as a plane aligned in 4-dimensional space, a set comprises 3 cards in a (4-dimensional) row, with wrap-around. An example 20-card maximal cap set from http://web.archive.org/web/20130605073741/http://math.rutgers.edu/~maclagan/papers/set.pdf is shaded yellow.