171期【02,03,04,05,06,07,08,09,10,11,12,13,16,18,21,22,23,24,25,26,28,29,30,31,32,34,36,37,39,40,41,42,43,44,47,48,49】开23对
172期【02,03,04,05,06,08,09,10,11,12,13,14,15,16,17,18,20,21,24,25,26,27,29,30,31,32,33,34,35,36,37,39,40,41,42,44,46】开21对
173期【01,02,04,05,06,07,08,09,10,11,12,13,14,15,16,18,19,20,22,24,25,26,27,29,30,31,32,34,35,37,38,39,40,43,45,46,49】开20对
174期【01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,17,18,19,20,21,22,23,24,28,29,30,31,33,34,35,37,39,40,44,45,46,47】开00对