    New chain ID            Original chain ID

8u10-pdb-bundle1.pdb:
           a                         a
           b                         b
           c                         c
           d                         d
           e                         e
           l                         l
           f                         f
           k                         k
           i                         i
           j                         j
           h                         h
           g                         g
           E                         E
           C                         C
           A                         A
           G                         G
           I                         I
           D                         D
           B                         B
           F                         F
           H                         H
           J                         J
           1                         1
           2                         2
           3                         3

8u10-pdb-bundle2.pdb:
           A                         4
           B                         5
           C                         6
           D                        16
           E                        17
           F                        18
           G                        22
           H                        23
           I                        24
           J                        19
           K                        20
           L                        21
           M                        10
           N                        11
           O                        12
           P                        13
           Q                        14
           R                        15
           S                         7
           T                         8
           U                         9
           V                         y
           W                         m
           X                         n
           Y                         o
           Z                         p
           a                         q
           b                         r
           c                         s
           d                         t
           e                         u
           f                         v
           g                         x
