Here is the initial setup displayed as a table. It is the same kind of table as used with the problems, but the HTML code here is written with plenty of linefeeds, which make it easier to read. You can examine this file to learn how a diagram can be made with a table. For the sake of optimizing space and download time, the problem diagrams are all condensed without superfluous linefeeds.

  A B C D E F G H
8
7
6                
5                
4                
3                
2
1
2
1