Jet City 20W combo tube layout?

[LosingReality]

Anyone know how the tubes re layed out in this amp? Which are the V1,2,3 and which are the reverb tubes? They all say the same 12ax7B.

Thanks.

 

[Coerti0n]

http://www.facebook.com/album.php?aid=243808&id=502166334&l=2e691d8c57

 

[LosingReality]

Thats the head.