A medium black square is covered by a block called AAA. Block AAA contains another block named BBB. A medium yellow square is within and another medium yellow square is inside and touching block BBB. Block BBB contains another medium yellow square. Medium yellow square number one touches medium yellow square number three. Medium yellow square number three touches medium yellow square number two. Another block called CCC contains block AAA. A medium blue object is covered by this block.
Where is medium yellow square number three regarding CCC?