020期：<<04,10,15,16,17,18,23,24,28,29,36,37,40,42,45,47>>开：16中中中
021期：<<06,07,08,10,11,13,19,23,24,27,34,35,37,38,39,47>>开：39中中中
022期：<<07,09,12,15,19,24,26,27,28,29,30,36,37,40,41,43>>开：40中中中
023期：<<05,08,12,14,16,18,22,23,24,28,29,34,35,40,47,49>>开：中？