Rotated house
| Rotated house | |||||||||
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 18 | ||||||||
| Bounding box | 8 × 6 | ||||||||
| Frequency class | 22.6 | ||||||||
| Static symmetry | .c | ||||||||
| Discovered by | Unknown | ||||||||
| Year of discovery | Unknown | ||||||||
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Rotated house is an 18-cell strict still life consisting of two mutually stabilising houses. It is one of three ways in which two houses can be arranged to create a still life, and one of the two which have two separate islands.
Having the two constituent houses in a mirror-symmetric arrangement gives mirrored house, whereas connecting them diagonally to stabilise each other gives house bridge house.
Commonness
- Main article: List of common still lifes
It is the 107th most common still life on Adam P. Goucher's Catagolue, being less common than trans-bun and dove but more common than boat tie long boat. It is the 4th most common still life with 18 cells, being less common than loaf bridge eater-with-tail but more common than meta-dock and long bookend.
In C2_1 symmetry, it is the 31st most common object.
Glider synthesis
Rotated house can be very simply synthesised in four gliders via two colliding pi-heptominoes, which take two gliders each.
See also
External links
- Rotated house at Adam P. Goucher's Catagolue
- The 19044 eighteen-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 18/18-6707.rle)