Repeat steps a. thru k. for lines 4 thru 10 and lines 12 thru 15. Skip line 11 for the moment. Move your cursor to this line and repeat steps a. thru k. Move your cursor to line 12. Repeat steps a. thru g.
Repeat steps h thru k above.
You should have now deleted all the unwanted lines of text between the records. Move the cursor to the bottom of the file. You should see a couple of paragraph markers and 4 lines of text. Move the cursor to the first paragraph marker below the last record. All the unwanted text should now be gone.