Question 1186630
<pre>
Looking for exactly two of the 6-digits

First Hundred   Second Hundred     Etc.,       Etc., ........
6                 106
16                116
26                126
36                  '
46                  '
56                  ', 166, 160
66                  '
76                  '
86                  '
96                196
======           =========

1 of them        2 of them           ..         ...
</pre>

How this can work should be obvious enough.
Some care will be needed for some of the columns.