    New chain ID            Original chain ID

8jdk-pdb-bundle1.pdb:
           A                         A
           B                         B
           C                         C
           D                         D
           E                         E
           F                         F
           G                         G
           H                         H
           I                         I
           J                         J
           K                         K
           L                         L

8jdk-pdb-bundle2.pdb:
           A                         M
           B                         N
           C                         O
           D                         P
           E                         Q
           F                         R
           G                         S
           H                         T
           I                         U
           J                         V
           K                         W
           L                         X
           M                         Y
           N                         Z
           O                         a
           P                         b
           Q                         c
           R                         d
           S                         e
           T                         f
           U                         g
           V                         h
           W                         i
           X                         j
           Y                         k
           Z                         l
           a                         m
           b                         n
           c                         o
           d                         p
           e                         q
           f                         r
           g                         s
           h                         t
           i                         u
           j                         v
           k                         w
           l                         x
           m                         y
           n                         z
           o                         0
           p                         1
           q                         2
           r                         3
           s                         4
           t                         5
           u                         6
           v                         7
           w                         8
           x                         9
           y                        AA
           z                        AB
           0                        AC
           1                        AD
           2                        AE

8jdk-pdb-bundle3.pdb:
           A                        AF
           B                        AG
           C                        AH
           D                        AI
           E                        AJ
           F                        AK
           G                        AL
           H                        AM
           I                        AN
           J                        AO
           K                        AP
           L                        AQ
           M                        AR
