Yes, I would definitely say that up, 7!
"c seven" = Caesar seven IMO!
And that also would mean that idea IS in different ciphers, so Braille is next I guess
:
|
id gc ab hc hc gb cc gc ea
|
Actually, the "id" makes me think of POST-parameter, like
http://www.oddworld.com/soulstorm/ed?id=*some number here*
or perhaps someones account on Twitt, FB?