内容正文:
15_53
15_54
15_69
15_70
15_55
15_56
15_67
15_68
15_58
15_59
15_57
15_66
$$1-10 BCBCA ACABB 11-20 ACACB ACACB
21-23 ACB 24-27 DABB 28-31 DVDB 32-35 CCAA 36-40 DGCAE
41-60 DBCBD DBACC ABCAA BCDAD
61 different 62 the 63 that 64 spinning 65 which 66puzzles
67 drives 68 have been sent 69finally 70 death
71 what-- which
72 selecting---slected
73去掉an
74 measures--measuring
75were---was
76our--their
77necessarily--necessary
78 direction---directions
79 provided-- provide
80 spoken + of
$$