019期：精算24码】≈04,05,08,11,12,13,14,15,20,25,26,27,28,30,33,34,35,36,39,40,44,46,47,48】开：27中
020期：精算24码】≈01,06,07,10,11,12,13,14,15,16,22,23,25,26,27,28,29,31,36,39,41,42,46,47】开：16中
021期：精算24码】≈01,03,04,05,07,08,09,12,15,16,18,20,22,23,24,33,35,38,40,42,43,45,46,47】开：39错
022期：精算24码】≈03,05,06,08,10,12,15,17,18,19,22,23,27,28,33,35,38,39,41,42,43,45,47,49】开：40错
023期：精算24码】≈04,07,09,10,11,12,14,15,18,21,26,27,28,30,31,32,33,34,36,37,40,41,42,46】开：//