There are three blocks. Lets call them A, B and C. There are two medium blue squares in block A. Medium blue square number one is below a medium black square. Below the medium black square is medium blue square number two. Medium blue square number one is below the medium blue square number two. Below block A is block B which has one medium black square. Finally, we have block C. It is below block B. It has one medium black square.
Is the medium black square that is in block B above any medium black objects that are below a medium black object which is in block A?