大围28码：
228期：02,03,05,07,08,09,20,22,23,25,27,28,29,30,32,33,35,37,38,39,40,42,43,45,47,48,49,（共27个）开23中
229期：01,02,03,04,05,06,08,11,12,13,14,15,16,18,31,32,33,34,35,36,38,41,42,43,44,45,46,48,（共28个）开38中
230期：01,02,03,04,07,08,10,11,12,13,14,17,18,20,21,22,23,24,27,28,30,31,32,33,34,37,38,（共27个）开16错
231期：10,12,13,14,15,16,18,20,22,24,25,26,27,28,30,32,34,36,37,38,39,40,42,44,46,48,49,（共27个）开20中
232期：01,02,03,04,08,09,20,21,22,23,24,28,29,30,31,32,33,34,38,39,40,41,42,43,44,48,49,（共27个）开42中
233期：01,02,03,04,05,07,09,11,12,13,14,15,17,19,21,22,23,24,25,27,29,41,42,43,44,45,47,49,（共28个）开07中
234期：01,02,04,05,06,08,09,11,12,14,15,16,18,19,31,32,34,35,36,38,39,41,42,44,45,46,48,49,（共28个）