284期：健民{{02,03,08,13,14,16,18,19,20,21,24,25,26,27,28,34,35,38,39,41,42,44,46,48}}开：20对
285期：健民{{01,02,03,04,05,14,15,16,18,19,23,24,25,26,27,29,30,31,36,42,43,44,45,49}}开：06X
286期：健民{{04,05,09,12,16,18,19,20,23,24,27,29,31,32,34,35,36,38,40,41,44,45,46,48}}开：48对
287期：健民{{01,02,03,05,07,08,09,11,14,17,19,20,22,23,24,25,30,37,38,41,43,44,46,48}}开：04X
288期：健民{{01,02,06,09,11,15,17,24,26,27,29,31,33,34,35,36,38,40,41,42,43,45,48,49}}开：01对
289期：健民{{03,04,05,06,07,13,14,16,18,20,21,25,26,28,30,31,32,33,34,38,40,41,46,49}}开：//