I discovered this one today too. ;) Small joy's come, even when you are only retracing the footsteps of giant's. And metaphorically, I am not even walking ... but using a super-computer ... but still it makes you happy.
I found a pattern like this today. It's a period 3 oscillator, but I haven't been able to find it. Made of four quadrants, oscillates from 48-48-64 cells... I can't figure out how to get a picture to y'all. Could someone help determine which one it is?