I had to slightly modify your instructions to get this to print ( drupal_set_message($request)...

4C26718870XXXXXX visionandhope XXXXXX Complex Rate Request 1.0001 Rate rate 03 04 73XXXX
Los Angeles CA 90067 US
CA 90049 US
CA 90067 US
LBS 1.0 11 UPS Standard 02IN18.0012.002.00LBSPounds1.0USD4

4C26718870XXXXXX visionandhope XXXXXX Complex Rate Request 1.0001 Rate rate 03 04 73XXXX
Los Angeles CA 90067 US
CA 90049 US
CA 90067 US
LBS 1.0 13 UPS Next Day Air Saver 02IN18.0012.002.00LBSPounds1.0USD4

4C26718870XXXXXX visionandhope XXXXXX Complex Rate Request 1.0001 Rate rate 03 04 73XXXX
Los Angeles CA 90067 US
CA 90049 US
CA 90067 US
LBS 1.0 02 UPS 2nd Day Air 02IN18.0012.002.00LBSPounds1.0USD4

4C26718870XXXXXX visionandhope XXXXXX Complex Rate Request 1.0001 Rate rate 03 04 73XXXX
Los Angeles CA 90067 US
CA 90049 US
CA 90067 US
LBS 1.0 12 UPS 3-Day Select 02IN18.0012.002.00LBSPounds1.0USD4

Yes, I believe I do have the correct Origin information...
edit: I should also note that there is a blank bullet between each set of entries that does not show up when I past.