This is the first line of the file. We'll start it with a space.
0This is the second line. We'll print a newline first.
0This is the third line. We'll also print a newline here.
 This is the fourth line. We're not putting a newline first.
0This is the fifth line. It shouldn't be visible.
+This is the sixth line. It should overwrite the fifth line.
1This is the seventh line. It should be on a new page.
0This is the eight line. It's also the last line.