Ok, here's what I remember. The aircraft is some form of B747. I am currently in 3H which is the far aisle seat on a 2-3-2 config c class. It looks like it starts with row 1 up front. There is a break around the entrance doors/lavs and business continues for a few rows behind that. I guess f is in the upper deck or maybe there is no F?

Thanks for any info you can provide!