021期，，精心计算二十八码，，01,02,04,07,08,09,11,14,15,16,18,20,21,22,28,29,33,35,36,37,38,39,41,43,46,47,48,49═开：39对
022期，，精心计算二十八码，，01,02,03,08,09,10,11,12,13,16,17,19,22,23,24,25,27,28,29,31,34,35,36,37,41,45,46,47═开：40错
023期，，精心计算二十八码，，03,05,07,08,09,12,13,16,18,19,20,28,29,30,31,32,33,34,36,37,40,41,42,45,46,47,48,49═开：08对
024期，，精心计算二十八码，，05,06,07,09,11,14,18,19,22,24,26,27,28,30,31,32,34,36,37,38,40,41,42,43,44,45,47,49═开：=--=
