How many sections does the eleventh set of aerobics in the new era have?

Section 12. The eleventh set of calisthenics in the new era Section 1: warm-up exercise, Section 2: upper limb exercise, Section 3: rocking exercise, Section 4: finger waist and abdomen exercise, Section 5: clapping exercise, Section 6: three-step exercise, Section 7: shoulder exercise, Section 8: side exercise, Section 9: shrug and step exercise, Section 10: lower limb exercise, Section XI. Aerobics is a sport that combines music, gymnastics and dance, which has the effects of strengthening physical fitness, improving health, shaping body and pleasing body and mind.