168期：→№←【01,04,05,07,09,14,15,19,24,25,26,27,28,31,35,36,38,39,40,43,44,47,48,49】开：15对
169期：→№←【01,05,06,08,10,11,12,13,14,18,22,26,27,29,30,31,33,35,37,40,41,42,43,45】开：24错
170期：→№←【02,04,05,07,12,13,14,15,21,22,23,26,30,32,33,35,36,37,38,39,42,44,47,48】开：03错
171期：→№←【01,02,03,05,06,08,11,18,20,23,24,25,26,27,30,31,33,34,39,40,41,45,47,48】开：**