Similar described formations, of course, may be created, and probably really were and will be created without forming any regular pattern in their close proximity.
Ilivyoelezwa formations Sawa, bila shaka, inaweza kuwa umba, na pengine kweli walikuwa na zitapatikana bila kutengeneza yoyote mfano mara kwa mara katika ukaribu wao wa karibu.