Yeah, I had 3x 32" monitors mounted on arms (one twin arm and one single arm) on a desk pushed almost right up to the wall this way. The arms can go sideways in

Yeah, I had 3x 32" monitors mounted on arms (one twin arm and one single arm) on a desk pushed almost right up to the wall this way. The arms can go sideways in one direction and then sideways in the other right behind the monitor, as long as the base is not centred.