Two medium yellow squares and a medium blue square are within a block named AAA. A medium black square is covered by block AAA. This shape is under medium yellow square number two. Below the medium blue square there is medium yellow square number two. Another block called BBB with a medium black square and a medium blue square is over and in front of block AAA. Block AAA is disconnected from this block.
What is the position of the medium black square covered by AAA regarding the medium blue square in block BBB?