There are three blocks, A, B and C. There is one medium yellow square in block A. Below block A is block B. It has two medium blue squares. Medium blue square number one is below a medium yellow square. Below the medium yellow square is medium blue square number two. Below medium blue square number two , medium blue square number one and the medium yellow square there is a medium black square. Above block B there is block C which contains one medium black square.
Are all squares that are above a medium blue shape to the left of a medium black square?