Three blocks, named AAA, BBB and CCC exist. Block CCC has block BBB. Block BBB covers block AAA. Block AAA contain two medium black squares. This block covers a medium blue square. The medium blue square touches medium black square number two. Medium black square number two is south of medium black square number one. Block BBB has a medium black square. A medium blue square is inside and touching this block. North of this object there is the medium black square. Block CCC contains a medium black square. A medium blue square touches the medium black square. The medium blue square is in block CCC.
What is the position of medium black square number two relative to the medium blue square covered by AAA?