In the 無効の、中空の between Cain's words, which take 形 as 白空白 places not that much different from the separating 黒 that they stain, we can see that expanding eggs are nearing identity... but due to their 振動子 style of existence, the egg-shapes quickly compress again before finally attempting to bead off as ovoid droplets into the non-space of this beyond-world.