245期:中围半数-〖<<01,02,03,05,07,08,11,12,14,16,17,19,21,23,26,27,30,36,38,39,41,44,45,49>>〗-开17准
246期:中围半数-〖<<01,02,05,06,07,12,13,14,15,16,18,20,24,29,30,32,33,34,35,36,39,40,43,47>>〗-开15准
247期:中围半数-〖<<04,05,09,11,13,14,15,16,19,21,22,24,28,31,32,33,36,37,38,42,43,46,48,49>>〗-开31准
248期:中围半数-〖<<01,03,05,07,10,17,19,23,24,25,27,28,29,32,35,38,39,41,42,43,44,46,47,48>>〗-开11错
249期:中围半数-〖<<03,04,05,06,08,09,10,11,15,17,19,22,23,26,28,29,30,32,34,35,38,41,43,45>>〗-开32准
250期:中围半数-〖<<01,02,04,06,07,08,10,12,14,15,17,18,20,22,24,25,27,28,31,35,38,39,42,46>>〗-开24准
251期:中围半数-〖<<01,02,05,06,08,09,10,11,12,16,21,22,24,25,26,27,32,34,36,37,39,43,47,48>>〗-开14错
252期:中围半数-〖<<02,09,11,12,15,16,18,20,21,22,23,28,30,32,33,34,36,37,40,43,44,45,47,48>>〗-开？？