We have two blocks. We call them A and B. One medium black square is in block A. The medium black square is touching the bottom edge of this block. This block also has a medium blue square. Below the medium blue square there is the medium black square. Block B is to the right of block A. It contains one medium blue square and one medium yellow square. Below a medium black square and the medium yellow square there is the medium blue square. The medium yellow square is below the medium black square.
Is the medium black square that is touching the bottom edge of a block , below all medium blue squares?
This example is Yes.