Looks like the author has it under the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License and so the work is to be used it its entirety on

Looks like the author has it under the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License and so the work is to be used it its entirety only. So I guess if you do make a modification you can't distribute it. I could see this being used in a fun little puzzle game or something. Different tapes or finding the right starting point on the tape to end in the correct place, etc