256期:→№←【02,04,07,10,12,13,19,21,22,25,27,30,31,34,36,37,39,40,41,44,45,46,48,49】开:39对
257期:→№←【02,10,14,15,17,19,20,21,22,23,26,27,30,33,34,35,38,39,40,42,43,45,46,48】开:08错
258期:→№←【04,05,06,07,08,10,11,13,14,16,17,22,23,26,33,34,35,36,37,40,42,44,46,49】开:40对
259期:→№←【04,09,11,17,18,19,22,23,24,27,28,29,32,33,34,36,37,38,39,40,43,45,47,48】开:29对
260期:→№←【04,05,06,07,10,11,12,15,17,18,19,21,23,24,25,27,28,33,34,36,37,38,44,49】开:40错
261期:→№←【01,02,04,05,08,09,10,11,12,15,16,17,18,19,20,24,26,32,38,41,44,46,48,49】开:**