A block called AAA covers a medium black square and has another medium black square. Two medium yellow squares are in this block. Medium black square number one is below medium black square number two. Below medium yellow square number two there is medium black square number two. Medium yellow square number two is above medium black square number one. Medium black square number two is under medium yellow square number one. Below and touches medium yellow square number one is medium yellow square number two.
Do all blocks have a thing?