Iyini i-12-3-30?
I-12-3-3- iyindlela yokuzivocavoca ethandwa kakhulu eye yathandwa kakhulu ezinkundleni zokuxhumana. Kudinga ukuba uhambe emshinini wokugijima emthambekeni ongu-12, ngesivinini esingamahora amathathu ngehora, imizuzu engu-30.