169期：((01,02,07,11,14,16,17,24,31,32,33,35,38,39,42,47))开：33准
170期：((04,06,07,10,11,12,23,30,34,35,36,37,44,45,46,48))开：10准
171期：((02,04,07,09,13,15,17,18,22,26,30,37,38,43,45,48))开：23错
172期：((06,12,14,17,18,21,22,26,27,31,33,35,36,41,43,49))开：21准
173期：((01,09,11,12,17,23,27,30,31,34,35,40,41,42,43,49))开：==？