020期：←二十八码←《《《→→→04,07,08,09,10,11,13,14,16,18,19,23,24,25,26,27,28,29,31,32,33,35,38,40,41,42,47,48←←←》》》开：33准
021期：←二十八码←《《《→→→04,08,09,13,14,15,16,17,18,19,20,21,23,24,25,27,28,30,31,32,33,36,39,40,43,45,46,48←←←》》》开：12错
022期：←二十八码←《《《→→→03,10,11,12,13,17,18,19,20,22,23,26,27,28,29,30,31,34,35,36,37,40,42,43,46,47,48,49←←←》》》开：34准
023期：←二十八码←《《《→→→03,04,05,06,08,09,12,14,15,16,17,19,20,21,22,25,26,27,31,33,34,36,38,41,42,43,47,49←←←》》》开：？