Limcube Dual 3x3 Puzzles

The Dual 3x3 cubes are exactly as the name suggests - Two 3x3 cubes in one. One is inside, one is outside. They operate independently. Some of the exterior faces turn parts of the interior 3x3, some don't. The puzzles increase in difficulty from the easiest of the series, 1.0 to the most difficult, the 3.2.

The first digit indicates how many of the faces do not rotate the inner pieces