300期:中围半数-〖<<01,04,05,06,11,13,16,17,18,19,20,21,22,23,27,28,29,31,32,33,37,40,42,46>>〗-开40准
301期:中围半数-〖<<02,05,07,08,10,11,14,15,16,17,18,19,22,23,28,29,31,32,34,40,42,43,44,48>>〗-开05准
302期:中围半数-〖<<01,02,04,05,06,07,10,20,22,25,26,27,28,30,32,34,35,40,41,42,43,46,47,49>>〗-开22准
303期:中围半数-〖<<03,05,07,08,10,11,12,13,15,17,19,20,21,22,23,24,28,32,33,38,39,44,48,49>>〗-开？？