Unit test: programlistingco.003

1 |The first line               
  |The second line              
  |The third line
  |The fourth line
5 |The fifth line

An interstitial para.

 6 |The sixth line
   |The seventh line
   |The eighth line
   |The ninth line               
10 |The tenth line               

The first line.

The second line.

The ninth line.

The tenth line.