《180期》半数<<01,10,11,14,17,18,19,21,22,24,25,27,28,31,33,35,36,39,40,45,46,47,48,49>>】开21准
《181期》半数<<03,05,10,11,12,16,20,21,22,23,24,26,28,31,33,34,36,39,41,42,43,44,47,48>>】开19错
《182期》半数<<01,03,04,05,09,10,12,15,16,17,20,21,22,23,25,26,31,32,34,40,43,47,48,49>>】开？？