    New chain ID            Original chain ID

9ce2-pdb-bundle1.pdb:
           A                         0
           B                         1
           C                         2
           D                         3
           E                         4
           F                         6
           G                         7
           H                         8
           I                         9
           J                         A
           K                         a
           L                         b
           M                         c
           N                         d
           O                         e
           P                         f
           Q                         g
           R                         h
           S                         i
           T                         j
           U                         k
           V                         m
           W                         n
           X                         o
           Y                         p
           Z                         q
           a                         r
           b                         B
           c                         C
           d                         D
           e                         E
           f                         F
           g                         H
           h                         I
           i                         J
           j                         K
           k                         N
           l                         O
           m                         P
           n                         Q
           o                         R
           p                         S
           q                         T
           r                         U
           s                         V
           t                         W
           u                         X
           v                         Y
           w                         Z
           x                         l
           y                         s
           z                         t
           0                         u
           1                         v
           2                         w
           3                         x
           4                         y
           5                         z
           6                        Aa
           7                        Ab
           8                        Ac
           9                        Ad

9ce2-pdb-bundle2.pdb:
           A                        Ag
           B                        Ah
           C                        Ai
           D                        Aj
           E                        Ak
           F                        Al
           G                        Am
           H                        An
           I                        Ao
           J                        Ap
           K                        Aq
           L                        Ar
           M                         5
           N                         G
           O                         L
           P                         M
           Q                        Ae
           R                        Af
