311期━┳━半数粒中特━┳━《01,02,06,07,11,12,14,16,17,20,23,27,29,30,32,35,37,38,39,40,42,43,44,45,46,47,48,49》━┳━开：37准
312期━┳━半数粒中特━┳━《01,06,09,10,11,14,15,16,17,18,21,22,24,27,29,30,31,33,34,35,36,37,39,42,43,44,48,49》━┳━开：14准
313期━┳━半数粒中特━┳━《01,02,04,06,07,08,09,15,17,18,19,20,23,26,29,31,33,35,37,38,39,41,42,43,44,45,48,49》━┳━开：38准
314期━┳━半数粒中特━┳━《02,05,06,08,09,11,12,14,15,16,19,20,21,22,23,24,26,29,32,33,35,36,38,41,42,45,46,48》━┳━开：23准
315期━┳━半数粒中特━┳━《01,02,03,05,08,11,14,16,19,20,24,25,27,28,30,31,32,34,35,36,37,39,40,42,44,45,46,47》━┳━开：04错
316期━┳━半数粒中特━┳━《01,04,07,08,10,11,12,15,18,19,21,23,24,25,28,31,33,34,37,38,40,41,42,44,45,46,48,49》━┳━开：24准
317期━┳━半数粒中特━┳━《01,03,04,06,07,09,10,13,14,16,18,24,28,29,30,35,36,37,38,39,41,42,43,44,46,47,48,49》━┳━开：18准
318期━┳━半数粒中特━┳━《02,03,04,05,08,09,12,14,15,17,20,21,22,26,27,32,34,35,36,37,38,41,42,44,45,46,47,49》━┳━开：06错
319期━┳━半数粒中特━┳━《03,06,07,08,09,11,12,17,19,21,23,24,25,29,30,32,33,34,35,36,37,38,39,40,41,45,47,49》━┳━开：45准
320期━┳━半数粒中特━┳━《01,04,05,06,07,08,11,12,14,15,17,19,20,21,23,25,26,27,29,30,33,38,40,42,45,46,48,49》━┳━开：？？？