"Octet" is a copyrighted work. It is owned by the author's estate and his publishers.
You can find Brief Interviews with Hideous Men on AbeBooks or ThriftBooks for $4.00 plus shipping. Scanning that physical copy into a PDF yourself will take 20 minutes and give you a superior file to anything you will find via shady URL shorteners.
The story is not a traditional narrative. It is experimental and self-conscious. It features numbered quizzes. Interrupted Flow: Some quizzes are missing or incomplete. The Meta-Cognitive Turn: Quiz 9 breaks the fourth wall.
David Foster Wallace's "Octet," featured in Brief Interviews with Hideous Men