Active silver blocks have been successfully created. I have to learn more about the behaviour of inactive stone walls before I move on to completing the primary set which will be the mother code for all the other active blocks. Took me the whole day to figure this out. Previous active/inactive block systems seem to rely on the inactive walls being 'walk through' bricks which I would like to avoid using. Furthermore, the present 'walk through' bricks do not allow bricks to stack vertically while building unless there is an interfacing tile next to it.
P.S. I have not watched any anime series for more than a week now. Troubling thought that.