<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo Lezi zibuye zichazwe, ne-lobe engenhla enengxenye ye-apical, yangaphambili neyangemuva.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yalesi sigwebo ithi Lokhu bese kuhlukaniswa ngokwengeziwe, lapho i-lob engenhla inengxenye ye-apical, yangaphambili neyangemuva, i-lob ephakathi enengxenye ephakathi nendawo neyangemuva, kanye ne-lob engezansi enengxenye ezinhlanu, ephakeme, yangaphambili, yangemuva, ephakathi nendawo neyangemuva. 