279期:[[01,02,03,04,13,14,22,25,29,32,36,38,39,40,46,48]]开:40有
280期:[[03,07,09,14,17,19,21,22,23,25,26,33,34,42,46,49]]开:22有
281期:[[02,07,12,13,14,17,18,20,26,27,29,30,33,38,41,46]]开:43无
282期:[[03,05,10,13,20,21,24,31,33,34,36,38,42,44,46,48]]开:13有
283期:[[02,03,05,06,07,14,17,19,27,30,32,33,34,35,37,41]]开:47无
284期:[[01,05,10,12,14,18,23,28,29,32,33,34,38,42,45,47]]开:==?