021期：→24码《01,03,05,06,11,12,14,15,16,20,21,24,26,30,32,34,36,37,41,42,43,44,46,47>开：14对
022期：→24码《02,07,08,10,11,12,17,21,22,24,25,28,31,32,33,36,38,40,41,43,44,45,48,49>开：04错
023期：→24码《07,10,11,14,16,19,20,21,23,24,26,27,28,30,32,35,36,40,41,42,44,45,48,49>开：//
