I am flying alone business class on AF 777-300ER with First Class. Shall I pick first row bulkhead? I couldn't find any answer if the bulkhead has a "whole" on it for my feet as I would have if I had another seat in front of me. Another question: Seat 5B seams not to be non-existent when loading seat map. Does anyone know why? Is it safe to pick 5A ?