cdw,
Know the scheme you are talking about. It was carried by the 3rd prototype. The Hasegawa kit in 1/32 came with those markings as well as the Revell 1/144 kit. The same markings were done in red (for the 2nd prototype I think).
My web search has proved very fruitless. Only thing I could find was this:
Not an actual pic of the plane but maybe someone else will recognise it and provide something better or a scan of the above instruction sheets.
Good luck on your quest.