| Still lifes |
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| | Important patterns | | | | Related articles | | | | Subcategories | | | | Other categories | |
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| Oscillators |
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| | Important patterns | | | | Related articles | | | | Subcategories | | | | Other categories | |
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| Spaceships |
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| | Important patterns | | | | Related articles | | | | Subcategories | | | | Other categories | |
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This category contains all notable strict still lifes, oscillators, and spaceships with a minimum population of between 300 and 399 in at least one phase.
Pages in category "Periodic objects with minimum population between 300 and 399"
The following 12 pages are in this category, out of 12 total.