Number the groups

1  112632
2  6230
3  81967278
4  156
5  1063060
6  10878728527387872
7  168932603
8  1700896
9  24625276515
10 151213191213133232290
11 418

Divide groups by index, then split into two digits

11 26 32                        WHO
31 15                           IS
27 32 24 26                     BOFH
39                              ?
21 26 12                        THE
18 13 12 14 21 23 13 12         CREATURE
24 13 32 29                     FROM
21 26 12                        THE
27 36 14 18 35                  BLACK
15 12 13 19 12 13 13 32 32 29   SERVERROOM
38                              !

and substitute according to table below
(The second column shows the number of occurences)

11 1 W
12 6 E
13 6 R
14 2 A
15 2 S
18 2 C
19 1 V
21 3 T
23 1 U
24 2 F
26 4 H
27 2 B
29 2 M
31 1 I
32 5 O
35 1 K
36 1 L
38 1 !
39 1 ?

I have to say I've got no idea if the substitution has some sort
of logic behind it which up to now escaped my grasp...