301期特围（{01,02,03,04,08,12,14,16,18,22,23,26,29,30,32,34,36,37,38,39,42,45,46,48}）开26准
302期特围（{03,04,05,06,08,09,13,14,16,17,19,22,23,26,27,29,30,32,33,36,38,44,46,49}）开33准
303期特围（{01,03,06,07,09,14,16,19,20,23,25,26,27,31,32,35,36,38,39,41,42,43,47,49}）开？中