Difference between revisions of "LifeWiki:Did you know/84"
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(disallow the RCT exception again) |
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... that even without using fixed-cost [[reverse caber tosser]] technology, an N-bit [[strict still life]] – specifically, some length of long long (...) [[boat]] or [[ | ... that even without using fixed-cost [[reverse caber tosser]] technology, an N-bit [[strict still life]] – specifically, some length of long long (...) [[boat]] or [[ship]] – [https://www.conwaylife.com/forums/viewtopic.php?p=101450#p101450 can be constructed] for any odd integer N using no more than [https://catagolue.appspot.com/census/b3s23/synthesis-costs/xs401 20 gliders], and for any even integer N using no more than [https://catagolue.appspot.com/census/b3s23/synthesis-costs/xs400 21 gliders], using a temporary [[tubstretcher]]? | ||
Revision as of 20:55, 17 August 2020
... that even without using fixed-cost reverse caber tosser technology, an N-bit strict still life – specifically, some length of long long (...) boat or ship – can be constructed for any odd integer N using no more than 20 gliders, and for any even integer N using no more than 21 gliders, using a temporary tubstretcher?