A block called AAA covers a medium yellow square. Another medium yellow square, a medium blue square and another medium yellow square are inside this block. Medium yellow square number two touches medium yellow square number one and is south of medium yellow square number three. To the south of block AAA there is another block named BBB. Block AAA is behind and farther from this block. A medium black square is covered by block BBB.
Where is AAA regarding the medium blue square?