170期：<<01,03,11,13,20,23,24,26,32,35,39,43,44,47,48,49>>开：03中中中
171期：<<03,05,06,08,09,10,14,20,25,29,33,35,39,42,48,49>>开：28错错错
172期：<<03,12,14,19,20,21,23,25,28,29,31,34,38,42,43,47>>开：44错错错
173期：<<04,07,11,12,13,16,24,25,29,30,31,32,35,39,45,49>>开：中？