A graphic apparently showing the internal layout of the F-313, with the usual proviso of how accurate it may or may not be, the engine configuration looks odd! Only one engine with the thrust split between two nozzles? And what appears to be a large frame or bulkhead passing through the engine/nozzles, this can't be accurate, I'm sure...
https://s25.postimg.org/jv5omk5fh/Co...aher_F-313.jpg
-RP