LinkedIn Zip 400 answer, 21 April 2026: start on 1 at row 5, column 2, then go left 1, down 1, right 5, up 1, left 3, up 1, left 2, up 3, right 5, down 3, left 2, up 1, right 1, up 1, left 3, down 1, right 1. Answered 07:03 UTC