A medium black square and two medium blue squares are in a block called AAA. To the north of the medium black square is medium blue square number one. Medium blue square number two touches the medium black square. Inside block AAA is another block named BBB with a medium black square and a medium blue square. The medium blue square is north of and touches the medium black square. Another block called CCC contains block BBB. A medium blue square is within this block.
Where is AAA regarding the medium black square in BBB?