A medium black triangle and a small blue triangle are inside a block named AAA. Near to the small blue triangle is the medium black triangle. There is a block called BBB. A big blue triangle is inside block BBB. Block BBB contains a small yellow triangle. A block named CCC exists in the image. Block CCC cover a small black square and a small yellow triangle. Below a small blue square there is a big blue circle. The big blue circle is inside and touching block CCC. The small blue square is inside this block. The small yellow triangle is below the object which was under the small blue square. Over the small black square there is the small blue square.
What is the position of block BBB regarding the big blue triangle?