There are two blocks. We call them A and B. Block A contains a medium blue square. Block B is above block A. It contains three medium black squares. Below medium black square number three and medium black square number two is medium black square number one. Medium black square number two is below medium black square number three. One medium blue square is also touching the bottom edge of this block. The medium blue square is below medium black square number two and medium black square number one.
Which object is above a medium blue square? medium black square number one or medium black square number two?
medium black square  number one medium black square  number two both of them none of them