307期━┳━半数粒中特━┳━《03,05,07,09,10,15,19,22,23,25,26,28,30,32,33,34,35,36,37,39,40,42,45,46》━┳━开：32准
308期━┳━半数粒中特━┳━《02,04,05,12,14,15,17,21,22,24,25,31,32,34,35,36,37,40,42,43,45,46,47,48》━┳━开：17准
309期━┳━半数粒中特━┳━《02,03,06,10,13,14,15,16,17,20,22,25,27,28,33,35,38,39,40,43,44,46,47,48》━┳━开：44准
310期━┳━半数粒中特━┳━《01,06,07,09,11,12,15,17,19,20,22,23,24,25,26,30,31,32,41,42,43,44,47,49》━┳━开：19准
311期━┳━半数粒中特━┳━《02,04,06,11,12,13,14,17,20,21,24,26,27,29,34,36,37,39,41,42,45,47,48,49》━┳━开：47准
312期━┳━半数粒中特━┳━《01,02,04,06,07,09,14,16,17,20,22,31,34,35,36,37,39,40,42,44,45,46,47,49》━┳━开：47准
313期━┳━半数粒中特━┳━《02,03,05,06,07,10,14,15,17,20,21,23,24,25,27,30,36,37,39,40,41,42,43,46》━┳━开：？？？