2 - move square, with obstacle, with a few of them, with a few an only
5 - can move an object only indirectly (i.e. reward when blue square
6 reach a certain location, but penalty if blue square is touched)
8 - copy an arrangements of objects on the other side of the world
10 - move an arrangement of objects in the same order
12 - avoid moving objects
14 - reward if an object touch another one of a specified shape or
15 color, whatever its location