049期：［01,02,04,05,07,13,14,16,18,20,21,22,24,27,28,29,30,31,35,36,39,42,43,47］（24码）开07准
050期：［02,04,07,09,10,13,17,20,21,23,27,30,31,32,33,36,37,38,40,42,44,46,47,49］（24码）开31准
051期：［01,03,04,06,13,14,15,17,19,21,24,25,26,27,32,34,36,40,41,44,45,46,47,49］（24码）开--?？对