298期：★《{02,03,04,05,06,09,13,14,15,17,19,20,26,29,33,34,35,37,41,43,44,45,46,49}》开44准
299期：★《{01,07,09,10,12,13,17,18,19,20,24,28,29,33,35,37,38,40,42,43,44,47,48,49}》开21错
300期：★《{01,02,03,10,12,14,16,18,22,25,28,29,31,32,33,36,37,39,41,42,43,44,46,49}》开46准
301期：★《{03,04,05,06,07,09,10,11,12,13,15,19,21,22,23,25,28,31,32,33,37,39,47,49}》开？？命中