There are two blocks. We call them A and B. Block A is below B. Block A contains a medium black square. Block B contains two medium yellow squares. One medium black square is also in this block. A medium blue square is below medium yellow square number two and the medium black square. Medium yellow square number one is touching the bottom edge of this block. It is below the medium blue square and the medium black square. Below medium yellow square number two there is the medium black square.
Is there a medium black square to the left of the medium yellow square which is below a yellow square?