We have three blocks. Lets call them A, B and C. Two medium black squares and two other medium yellow squares are in block A. Medium black square number one is touching the bottom edge of this block. Below medium black square number two is medium yellow square number one. Medium yellow square number two is below medium black square number two. Medium yellow square number one is below medium yellow square number two. Below medium black square number two and medium yellow square number two is medium black square number one. To the right of block A we have block B with three medium black squares in it. Below medium black square number two and medium black square number three is medium black square number one. Medium black square number two is below medium black square number three. To the right of block B there is block C. It contains one medium blue square.
What is to the left of the blue thing? a medium black square number three or a medium black square number two?
medium black square  number three medium black square  number two both of them none of them