User:Entity Valkyrie 2/T-nosed P4 variant on 28P7.3

x = 21, y = 13, rule = LifeHistory A.A$2A.A15.2A$3.A2.2A7.2A2.A$2A.A.A.A6.A2.A.A$AB.A2BA4.B.B2AB.A$2.AB. 2B2.BA3B.3B$.3BAB.D3A2B2A2B$.B3A2B2.BA2B2A.AB$2.4B5.B.BABAB$5.B2A7.BA B$5.BA.A7.A$8.A$8.2A! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THEME 6 HEIGHT 320 WIDTH 480 ZOOM 12 COLOUR 4 170 250 190 COLOUR 3 0 160 80 ]]

T-nosed P4 variant on 28P7.3
(click above to open LifeViewer)

The oscillator shown on the right is a 53-cell oscillator. The period is 28. The green cell is alive in generation 5 that is dead on all other phases.