217期：《《03,05,06,13,17,20,25,26,29,32,33,39,40,43,44,46》》开：26√
218期：《《01,04,12,13,15,19,20,24,26,28,34,41,43,44,46,49》》开：17x
219期：《《01,02,10,11,18,20,21,25,26,30,34,35,43,44,45,49》》开：43√
220期：《《02,03,04,06,10,18,19,21,23,25,35,37,40,43,47,49》》开：48x
221期：《《04,06,07,11,13,15,17,18,27,30,32,34,37,42,46,47》》开：中？