There are two blocks, named AAA and BBB. Block AAA with a medium yellow square is over, behind and disconnected from block BBB. This block covers another medium yellow square. A medium black square is in block BBB. Block BBB covers another medium black square which is under another medium black square. Block BBB has medium black square number three. Below medium black square number one is medium black square number three.
Is medium black square number one in front of all medium yellow squares?