Well, looks like we were wrong about our assumptions on volcano placement. I had thought that they were always placed symetrically with respect to your opponent. In other words, if you looked at the board upside down, the volcanos were in the same places. But that's not the case. Take a look at this board. The volcanos are not symetrically placed.
Fencer, perhaps you can enlighten us on what volcano positions are possible, please? ;-)