We have two blocks, called AAA and BBB. A medium yellow square is within and another medium yellow square is covered by block AAA. Block AAA has a medium black square. Over medium yellow square number one is the medium black square. Medium yellow square number one touches medium yellow square number two. Behind and disconnected from block AAA there is block BBB. Block AAA is under this block. A medium black square touches another medium black square. Medium black square number one is inside and touching block BBB. Medium black square number two is in block BBB. Two medium blue squares are in block BBB. Medium blue square number one touches medium blue square number two.
Is medium black square number two behind any block?