Eighty minutes. The competition is held every autumn. Each province and city will set up the first, second and third prizes at the provincial level according to the candidates' scores, and select some candidates with top scores from the first prizes at the provincial level to represent the province in the national finals. With a total score of 300, Hunan won the first prize 180 or more, the second prize 120 or more, the third prize 80 or more, and the provincial team 230 or more.