    New chain ID            Original chain ID

8vvv-pdb-bundle1.pdb:
           A                         A
           B                         B
           C                         C
           D                         D
           E                         E
           F                         F
           G                         G
           H                         H
           I                         I
           J                         J
           K                         L
           L                         M
           M                         N
           N                         O
           O                         P
           P                         Q
           Q                         R
           R                         S
           S                         T
           T                         U
           U                         V
           V                         W
           W                         X
           X                         Y
           Y                         Z
           Z                        AA
           a                        BB
           b                        CC

8vvv-pdb-bundle2.pdb:
           5                         5
           7                         7
           8                         8
           a                         a
           b                         b
           c                         c
           d                         d
           e                         e
           f                         f
           g                         g
           h                         h
           i                         i
           j                         j
           k                         k
           l                         l
           m                         m
           n                         n
           o                         o
           p                         p
           r                         r
           s                         s
           t                         t

8vvv-pdb-bundle3.pdb:
           A                         v
           B                         w
           C                         9
           D                        DD
           E                        EE
           F                        FF
           G                        GG
           H                        HH
           I                        II
           J                        JJ
           K                        KK
           L                        LL
           M                        MM
           N                        NN
           O                        OO
           P                        PP
           Q                        QQ
           R                        RR
           S                        SS
           T                        TT
           U                        UU
           V                        VV
           W                        WW
           X                        XX
           Y                        YY
           Z                        ZZ
           a                        aa
           b                        bb
           c                        cc
           d                        dd
           e                        ee
           f                        ff
           g                        gg
