298期：→№←【04,05,07,12,15,16,17,21,23,24,26,27,28,31,32,36,37,38,41,42,43,45,47,49】开：31对
299期：→№←【04,05,06,10,13,14,15,19,21,22,23,25,26,28,31,33,34,35,37,42,43,46,47,48】开：05对
300期：→№←【01,02,03,08,09,14,15,17,18,20,22,24,27,29,30,32,34,35,36,40,42,43,44,47】开：46错
301期：→№←【02,06,08,10,13,14,15,18,19,20,21,22,23,24,25,26,30,33,36,41,42,43,44,47】开：26对
302期：→№←【03,06,07,08,10,13,15,17,18,23,25,26,28,31,32,33,36,39,40,43,44,47,48,49】开：33对
303期：→№←【01,06,08,10,12,13,14,16,17,21,22,23,25,27,29,30,33,34,35,39,40,41,47,49】开：40对
304期：→№←【02,03,05,06,07,08,10,11,15,20,21,22,24,26,28,30,31,33,35,39,45,46,47,48】开：18错
305期：→№←【01,02,03,04,07,08,09,13,14,16,17,19,20,23,24,25,26,27,28,29,31,32,33,37】开：20对
306期：→№←【01,02,06,07,08,10,13,15,17,19,20,22,25,27,28,32,37,38,39,42,43,44,45,47】开：38对
307期：→№←【04,05,08,11,12,15,16,17,18,23,24,28,30,33,34,35,37,39,40,44,45,47,48,49】开：**
