285期〖特围〗04,05,06,07,10,14,15,17,18,19,21,24,25,27,28,31,33,36,39,40,41,43,45,49·（共半数）开33准
286期〖特围〗03,07,08,10,11,12,13,16,18,20,21,23,24,25,30,32,33,34,37,39,40,41,44,46·（共半数）开39准
287期〖特围〗01,02,03,05,07,08,11,14,17,18,21,23,25,27,28,29,30,36,38,39,40,42,43,44·（共半数）开25准
288期〖特围〗01,02,04,05,06,08,12,16,20,23,24,28,29,30,31,32,33,35,36,38,40,41,43,48·（共半数）开09错
289期〖特围〗04,09,10,11,13,17,21,22,23,24,25,27,30,31,32,33,35,36,37,38,42,45,47,49·（共半数）开08错
290期〖特围〗03,07,08,09,11,13,14,17,18,21,23,24,27,28,31,32,33,36,40,41,44,45,46,47·（共半数）开08准
291期〖特围〗01,02,03,04,06,08,11,12,14,16,17,22,23,24,25,26,30,31,33,34,36,38,44,49·（共半数）开？？