176期：→№←【01,03,05,08,13,15,16,17,19,20,25,27,31,33,34,35,36,39,40,41,43,47,48,49】开：36对
177期：→№←【01,02,03,04,07,11,12,14,16,18,20,23,24,25,26,27,34,37,41,44,45,46,47,49】开：04对
178期：→№←【02,07,08,09,10,13,14,16,17,18,20,21,22,23,25,27,30,33,34,35,40,43,45,47】开：**