256期：→№←【01,04,05,07,15,20,21,23,26,28,29,31,32,33,34,35,37,39,40,41,42,45,46,47】开：01对
257期：→№←【01,02,03,04,05,06,10,14,15,16,17,19,20,21,23,26,27,32,34,37,40,46,47,49】开：07错
258期：→№←【01,03,08,11,14,16,17,19,21,22,24,25,28,31,35,36,37,38,39,41,44,45,47,49】开：46错
259期：→№←【01,02,04,07,08,10,13,14,15,18,20,25,26,27,28,30,31,32,33,35,41,43,45,49】开：**