There exist two blocks, called AAA and BBB. Block AAA covers a medium black square. In front of this block is block BBB with a medium blue square. A yellow square and another medium blue square are within this block. Block BBB covers a medium black square which is to the south of and touches medium blue square number one. South of and touches medium blue square number two there is medium blue square number one.
Where is block AAA relative to block BBB?