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