018期:中围半数-〖<<01,02,04,05,09,10,11,14,15,17,18,19,20,22,24,26,27,30,31,35,41,45,46,49>>〗-开31准
019期:中围半数-〖<<01,04,10,12,15,16,18,20,22,25,28,30,31,32,33,37,38,40,42,43,45,47,48,49>>〗-开40准
020期:中围半数-〖<<02,04,08,10,11,12,14,16,22,27,28,29,30,31,32,33,35,38,39,44,46,47,48,49>>〗-开10准
021期:中围半数-〖<<04,06,08,12,13,17,18,21,22,23,24,25,27,28,33,34,35,37,38,40,41,44,46,49>>〗-开？？