021期：一点点<<01,02,05,09,12,18,19,22,24,25,26,27,28,29,30,32,34,36,37,38,39,42,45,46>>开：42中
022期：一点点<<04,07,08,11,12,14,17,20,25,28,29,30,31,33,34,35,37,38,39,40,41,46,48,49>>开：18XX
023期：一点点<<03,07,10,12,15,16,19,20,25,29,30,35,37,38,40,41,42,43,44,45,46,47,48,49>>开：88