018期：24码《03,06,13,15,16,20,22,23,25,28,32,34,35,36,37,39,40,41,42,44,46,47,48,49》开：39对
019期：24码《02,05,08,10,13,14,19,20,23,24,28,29,31,32,33,34,35,37,38,43,44,47,48,49》开：46错
020期：24码《01,03,08,10,12,16,17,18,19,20,21,22,23,24,28,29,30,31,33,37,41,43,45,49》开：12对
021期：24码《01,03,04,06,07,08,12,13,16,19,20,21,22,26,30,33,34,35,37,38,39,40,43,44》开：？？