x = 33, y = 33, rule = LifeHistory 15.2A$15.2A3$13.A$11.A.2A$10.A2.A$13.A$10.3A2$21.A.A$21.A2.A$21.A$2A 20.4A$2A22.A$5.A22.2A$4.4A20.2A$8.A$5.A2.A$6.A.A18.D$28.A$17.3A8.A$ 16.A10.3A$16.A2.A$15.2A.A$16.A11.2A$25.2A.3A$24.A.A$13.2A9.A4.4A$13. 2A10.A$26.A$23.3A$23.A! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THEME 6 HEIGHT 360 WIDTH 480 ZOOM 10 COLOUR 4 170 250 190 COLOUR 3 0 160 80 ]]

The oscillator shown on the right is a 81-cell oscillator. The period is 108. The green cell is alive in generation 21 that is dead on all other phases.