<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo Ngo - 1984, umthetho kamongameli wacacisa umklamo oqondile wefulegi, kanti ama - trigrams ayesethuthelwa ezindaweni zawo zamanje.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yalesi sigwebo ithi Ngo-1984, isimemezelo sikaMongameli sachaza indawo eqondile yezinhlamvu ezintathu zefulegi, kwathi ngo-1997, kwacaciswa imibala eqondile yefulege. 