Three blocks, named AAA, BBB and CCC exist in the image. Block AAA have a medium black triangle and a big yellow circle. This block covers a medium yellow circle which is to the south of the big yellow circle. Behind another big yellow circle there is a small blue square. The small blue square is inside block AAA. Big yellow circle number two is inside block AAA. The small blue square is north of the medium black triangle. Away from and in front of block BBB is block AAA. Block BBB has block CCC. A small blue triangle is in block CCC.
Where is the medium black triangle relative to CCC?