306期【01,03,04,08,09,10,11,13,14,15,17,18,19,21,23,25,27,28,29,30,31,32,34,35,36,37,39,40,41,42,43,44,45,46,47,48,49】开15中 o$k$
307期【01,03,06,07,08,10,11,13,15,16,17,18,19,21,22,24,26,28,29,30,31,32,33,35,36,37,38,40,41,42,43,44,45,46,47,48,49】开 `:4cb$