284期：【03,05,06,07,12,18,19,24,32,40,44,46】开（27） 准√
285期：【10,15,18,20,26,30,31,39,40,47,48,49】开（21）准√
286期：【02,06,11,13,14,17,24,25,36,37,40,42】开（45）准√
287期：【01,02,03,13,15,21,25,29,30,34,35,39】开（40）准√
288期：【06,07,08,12,15,20,24,29,30,43,44,49】开（26）准√
289期：【02,04,10,15,20,30,34,36,37,41,44,47】开（04）错×
290期：【06,13,14,17,21,28,34,35,39,40,43,47】开（？）