It is possible to note that the bottom figure has approximately 2 times larger diameter, that is 4 times larger area, so probably there was not left a sufficient energy amount of subsequent discharge to complete rendering of that pattern.
Ni Possible kutambua Kwamba takwimu chini ina Takriban mara 2 Larger kipenyo, Hiyo ni mara 4 Larger eneo hilo, hivyo pengine hapakusalia kiasi kutosha wa nishati kutokwa baadae kukamilisha utoaji wa muundo Hiyo.