A block named AAA have a big black square, a medium black circle and a small black square. A blue triangle is in this block. The small black square is behind the medium black circle. A block named BBB exists in the image. There is a block called CCC. Block CCC have a small black square and a medium blue square. This block covers a big black circle which is in front of the small black square. To the north of and behind this object is the medium blue square.
Is a shape within AAA?