299期：<<01,03,04,13,15,17,21,22,25,26,27,36,38,39,45,48>>开：21有
300期：<<02,03,04,07,09,11,13,16,17,23,29,33,34,35,39,43>>开：46无
301期：<<03,08,09,10,13,16,17,19,21,28,29,30,31,37,42,48>>开：16有
302期：<<03,04,06,09,10,11,12,16,18,27,30,36,37,39,44,48>>开：24无
303期：<<02,05,07,08,13,17,19,21,23,27,28,35,38,45,47,49>>开：88
