Two blocks, named AAA and BBB exist. Behind, to the south of and farther from block BBB is block AAA. Block BBB is disconnected from this block. Block AAA covers a medium black square. Block BBB contain a medium black square and a medium blue square. A yellow square is inside this block. Block BBB covers another medium blue square. To the north of medium blue square number two is medium blue square number one. North of this shape is the medium black square.
What is the position of AAA regarding the medium black square in BBB?