1G improvement to Nihonium
https://conwaylife.com/forums/viewtopic.php?p=164084#p164084
x = 586, y = 98, rule = B3/S23
291bo$292bo$290b3o$56bo$56bobo$56b2o$297bobo$298b2o$298bo6$445bo$443b
2o$444b2o$307bo126bo$308b2o118bobo2bo$2bo304b2o120b2o2b3o$obo404bo21b
o57bo69bo$b2o39bo261b2o101b3o77b3o67b3o$41bobo62b2o49b2o72b2o70bobo17b
2o85bo5b2o72bo5b2o62bo5b2o$4b2o35bobo61bob3o46bob3o69bob3o70bo16bob3o
82b2o4bob3o69b2o4bob3o7b2o50b2o4bob3o7b2o$3bobo36bo62bo4bo45bo4bo68bo
4bo86bo4bo87bo4bo74bo4bo6b2o56bo4bo6b2o$5bo96b2obob3o43b2obob3o66b2ob
ob3o84b2obob3o85b2obob3o72b2obob3o62b2obob3o$102bo2bobo45bo2bobo68bo2b
obo86bo2bobo87bo2bobo74bo2bobo64bo2bobo$103b2o49b2o72b2o90b2o91b2o78b
2o18b2o48b2o18b2o$53b2o458b2o68b2o$38bo14bobo523b2o$36bobo14bo525b2o$
37b2o4bo463b2o$41b2o463bobo$42b2o173bob2o88bob2o89bob2o76bob2o22bo7bo
35bob2o$147b3o67b2obo88b2obo89b2obo76b2obo30bobo33b2obo28b2o$143b2o2b
o363b3o2b2o66b2o$138b3o3b2o2bo362bo$44b3o93bo2bo368bo51b3o$44bo94bo9b
o410bo3bo$45bo102b2o410b2o3bo$148bobo408bobo$552b2o$551bobo$553bo11$581b
o$581bobo$581b2o$573bobo$102bo466bo3b2o$103bo466bo3bo$101b3o153bobo222b
o85b3o$257b2o224bo$258bo218b2o2b3o65b2o$174bo71bo89bob2o89bob2o43bobo
30bob2o36b2o28bob2o$104b2o66b2o72bo89b2obo89b2obo45bo7bo22b2obo66b2ob
o$105b2o66b2o71bo239bobo$104bo4b2o375b2o$94bo14bobo442b2o$92bobo14bo63b
o380b2o$93b2o2bobo72b2o306b2o68b2o$98b2o61b2o9bobo60b2o14b3o73b2o91b2o
58b2o18b2o48b2o18b2o$98bo59bobo2bo68bobo2bo13bo72bobo2bo87bobo2bo74bo
bo2bo64bobo2bo$156b3obob2o66b3obob2o14bo69b3obob2o85b3obob2o72b3obob2o
62b3obob2o$155bo4bo68bo4bo86bo4bo87bo4bo66b2o6bo4bo56b2o6bo4bo$156b3o
bo69b3obo13b3o71b3obo16bo71b3obo4b2o60b2o7b3obo4b2o50b2o7b3obo4b2o$158b
2o72b2o16bo73b2o17bobo71b2o5bo72b2o5bo62b2o5bo$249bo93b2o80b3o77b3o67b
3o$101bo303bo21bo79bo69bo$101b2o237b2o57b3o2b2o$100bobo236b2o60bo2bob
o$341bo58bo$389b2o$390b2o$389bo6$350bo$349b2o$349bobo$90b2o$89bobo$91b
o$356b3o$356bo$357bo!