Sir,
I'm a little new at anglefire website creation, so I hope you'll forgive the simplicity of this site. I was learning as I went but this does circumvent the pdf problem! I broke my original pdf down into a few web pages. Hopefully my solution is correct! Here goes:
To begin solving your resistor cube, I first drew the the cube in Vectorworks 12.5, a drafting program I'm familiar with. It's a quick draft, and it's a little bit rough.
Continue to Page 2: Voltage Source