x = 43, y = 43, rule = 012345678/3
15b13o$12b19o$10b23o$9b25o$8b27o$6b31o$5b33o$5b33o$4b35o$3b37o$bb39o$
bb39o$b41o$b41o$b41o$43o$43o$43o$43o$43o$43o$43o$43o$43o$43o$43o$43o$
43o$b41o$b41o$b41o$bb39o$bb39o$3b37o$4b35o$5b33o$5b33o$6b31o$8b27o$9b
25o$10b23o$12b19o$15b13o!
Flakes rule by Janko Gravner.

The rule produces beautiful flakes,
starting from simple groups of cells.