Spiral

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Spiral
Spiral image
Pattern type Strict still life
Number of cells 20
Bounding box 7×7
Discovered by Robert Wainwright
Year of discovery 1971

Spiral (or tub with four tails) is one of the two smallest still lifes with four-fold rotational (C4) symmetry. It consists of a tub and four tails. It was found by Robert Wainwright in 1971.[1]

See also

References

  1. Robert Wainwright. "Lifeline Volume 2".

External links

  • Spiral at Eric Weisstein's Treasure Trove of Life