7468M is a methuselah with a lifespan of 7468 generations that was found by Tomas Rokicki on February 20, 2005 . It is the longest-lived known pattern consisting of a single cluster with eight or fewer cells. It consists of a R-pentomino and a pre-block .
A 7-glider synthesis that converges at generation 4 and a 3-glider synthesis that converges at generation 26 are known.[1] [2]
Final pattern
The final pattern that results from 7468M has 952 cells and consists of 61 blinkers (including 5 traffic lights ), 51 blocks , 35 beehives , 24 gliders , 16 loaves , 11 boats , four ships , two tubs , two ponds , one toad , and one paperclip .[3]
x = 245, y = 181, rule = B3/S23
103b2o$103b2o16b2o$120bo2bo$114b2o4bobo$113bo2bo4bo$114b2o3$86b2o$86b
obo39b2o$87bo6b2o32b2o$94b2o2$50b3o$98b2o19bo$97bo2bo17bobo$98bobo16b
o2bo$99bo8b3o7b2o$103b2o$103b2o8$118b2o$10b3o105b2o2$108bo$107bobo$108b
o2$61b2o$60bo2bo41bo$61b2o29bo12bo31b2o$91bobo11bo31b2o$92bo38b2o$9b2o
120b2o$9b2o$39b3o3$108b3o2$31b2o119b2o$31b2o119b2o35b2o12b2o$71b2o115b
o2bo10bo2bo$b2o15b2o51b2o29b2o84bobo11bob2o$o2bo14b2o82b2o85bo11b2obo
$b2o138b3o53bo3bo2bo$23b2o99b2o70bobo3b2o$7b2o14b2o98bo2bo12bo5bo33b3o
13bo2bo$7b2o115b2o13bo5bo50b2o$111bo27bo5bo6b2o15b3o17b2o$b2o107bobo39b
2o35b2o$o2bo14bo91bobo28b3o23bo5bo23bo$b2o15bo92bo55bo5bo22bobo$18bo148b
o5bo21bo2bo$6b2o29bo158b2o$5bo2bo27bobo71b2o57b3o3bo$5bo2bo26bo2bo70b
o2bo62bo$6b2o28b2o18b2o44bo7b2o63bo$22b3o31b2o29b3o12bo$63b3o36bo$157b
o50b2o$156bobo48bo2bo$155bo2bo49b2o$22b2o132b2o$22b2o$169b2o8b2o$169b
2o8b2o$92b3o38bo59bo$12bo108b3o8bobo57bobo30b2o$12bo104b2o13bobo35bo21b
obo29bo2bo$12bo70bo33b2o14bo36bo22bo30bo2bo$82bobo29bo55bo54b2o$82b2o
15bo13bobo$33b2o19b3o41bobo12bobo12b2o$15b2o16b2o32b2o29bobo13bo13bob
o4bo8bo$15b2o35bo5bo8b2o30bo29bo4bobo6bobo$52bo5bo75bobo5bo2bo33b2o$52b
o5bo76bo7b2o34b2o$35b2o35bo$35b2o17b3o14bobo$71bobo26b2o21b2o$72bo27b
2o20bo2bo$123b2o$80b2o138b2o$79bobo138b2o$79b2o144b2o$13bo210bo2bo$12b
obo68b3o139b2o$12bobo$13bo22bo44bo150b2o$35bobo43bo149bo2bo$36b2o43bo
150b2o$164b2o$22b2o66bo72bo2bo$21bobo65bobo72b2o13b2o$22bo61b2o3bo2bo
52b2o32b2o10bo$83bo2bo3b2o52bo2bo43bo$35b2o47bobo58b2o44bo16bo$35b2o48b
o122bo34b2o$27bo180bo5b3o26b2o$27bo12bo$27bo12bo143bo10b2o15bo25b2o$40b
o142bobo9b2o15bo25bobo$184b2o26bo5b3o18b2o$36b3o$81b2o39b2o92bo$40bo39b
o2bo38b2o92bo$40bo39bobo74b2o42b2o13bo$40bo40bo75b2o42bobo$202bo$146b
o15b2o$145bobo9b2o2bo2bo$45b2o16b3o79b2o10b2o3b2o$45b2o48b2o12bo97bo$
61bo5bo27b2o11bobo95bobo$61bo5bo40bo2bo94bobo$61bo5bo41b2o96bo2$63b3o
3$87b2o$87b2o42bo36bo$130bobo34bobo25b3o$130bobo12b2o21b2o$131bo13b2o
$61b3o61bo$104bo19bobo$103bobo18bobo$103bobo4b2o13bo66b2o$104bo5b2o35b
o40bo2bo2bo$47bo98bobo38bobo2b2o$46bobo97bobo38b2o$46bobo90b2o6bo$47b
o91b2o$84b2o102b2o$84b2o90bo10bo2bo$62b2o70bo40bobo10bobo$62b2o69bobo
39bobo11bo24b2o$74bo50b2o6bobo40bo37b2o$74bo50b2o7bo$42b2o30bo$41bobo
136b2o$41b2o72b3ob3o30b3o25b2o$151b3o$64b2o90b3o$63bo2bo$64b2o88bo24b
2o$154bo23bobo$82b3o10bo58bo23b2o$94bobo60b2o$46b3o31bo5bo7bobo60b2o31b
3o3b3o$80bo5bo8bo70bo$80bo5bo3bo74bobo26bo$89bobo73bobo26bo$82b3o3bo2b
o74bo27bo$89b2o34b2o57b2o$125b2o56bo2bo$184b2o$74b2o$74b2o121bo$196bo
bo$197b2o6$86b2o$85bo2bo$86b2o$80bo12b2o39b3o$79bobo11b2o$79bo2bo$80b
2o!
#C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
[[ THUMBSIZE 2 ZOOM 4 WIDTH 1050 HEIGHT 850 ]]
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Generation 7468 (excluding escaped gliders)(click above to open LifeViewer )
See also
References