There are three blocks. Lets call them A, B and C. Block A is to the right of B. Block C is to the right of A. Block A contains one medium black square. Block B contains a medium yellow square. Block C contains two medium blue squares. A medium black square is touching the bottom edge of this block. Below medium blue square number two is medium blue square number one. Below medium blue square number one and medium blue square number two there is the medium black square.
Which object is to the left of a medium black square? medium blue square number one or medium blue square number two?
medium blue square  number one medium blue square  number two both of them none of them