269期：→№←【07,08,10,13,14,15,16,18,19,20,21,25,28,29,32,33,36,37,38,41,43,46,48,49】开：37对
270期：→№←【02,04,05,08,10,12,15,16,17,20,23,24,26,29,33,36,37,38,39,41,45,46,47,48】开：44错
271期：→№←【02,03,07,09,10,11,12,14,15,18,21,23,24,25,27,30,31,33,34,43,44,46,47,48】开：**