There are three blocks. We call them A, B and C. Block C is above B. Block B is below A. Block A has one medium black square. Block B has three medium black squares. Medium black square number one is below medium black square number two , medium black square number three and a medium blue square. Medium black square number two is below medium black square number three. Below medium black square number three there is the medium blue square. And block C has one medium black square.
Which object is below a medium black square? medium black square number three or medium black square number two?
medium black square  number three medium black square  number two both of them none of them