269期:中围半数-〖<<01,05,06,08,10,12,13,14,16,17,19,20,21,23,24,25,27,29,30,31,33,34,37,38,39,41,45,46>>〗-开31准
270期:中围半数-〖<<03,04,05,06,07,08,09,11,13,16,23,25,26,28,32,33,34,35,37,39,42,43,44,45,46,47,48,49>>〗-开35准
271期:中围半数-〖<<01,02,04,08,11,12,14,16,18,19,20,22,23,24,26,27,29,31,32,33,36,38,42,43,44,45,47,49>>〗-开？？