Here be some text...
line2, 1, 2, 3, 4, 5, 6, 7, 8, 9
line3, 1, 2, 3, 4, 5, 6, 7, 8, 9
line4, 1, 2, 3, 4, 5, 6, 7, 8, 9
Here is the interesting part:
The starting mark __BEGIN__
Interesting line 1
Interesting line 2
Interesting line 3
The final mark __END__
...
The end of file.