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