Number   |   Name
__________________

100      |    A
101      |    B
102      |    C
103      |    D
104      |    E
..................
105      |    F
106      |    G
108      |    I
109      |    J
..................
110      |    K
111      |    L
114      |    O
..................
115      |    P
116      |    Q
...      |   ...

All rows than have Number with last character between 0 .. 4 in a group and 5 .. 9 in another group.
Groups in this table:
  Group 100
  Group 105
  Group 110
  Group 115
  Group ...

Group 105 [missing members: 107]
  Group 110 [missing members: 112,113]