020期：→24码《02,05,07,12,13,15,16,18,19,21,22,24,25,26,29,30,32,34,35,39,42,43,46,48>开：16对
021期：→24码《04,05,06,07,08,09,13,14,15,19,20,21,23,24,26,28,32,38,39,41,42,44,45,48>开：39对
022期：→24码《01,04,08,12,13,14,16,19,24,25,28,30,31,34,35,36,37,41,43,44,45,47,48,49>开：//