169期：《《01,02,04,09,10,15,22,23,32,35,37,40,41,42,46,48》》开：40√
170期：《《09,10,12,15,18,19,23,25,33,36,38,42,44,46,47,49》》开：09√
171期：《《03,06,11,14,16,24,25,26,30,36,37,38,39,43,46,49》》开：37√
172期：《《02,04,05,06,10,14,17,19,20,27,29,34,38,41,42,46》》开：11x
173期：《《01,05,09,13,15,20,21,26,28,29,30,31,32,33,37,42》》开：中？