A block named AAA contains a medium blue square. North of the medium blue square there is a medium yellow square. The medium yellow square is inside block AAA. Another block named BBB with two medium black squares touches block AAA. A medium yellow square is within this block. This thing touches medium black square number two. Block BBB is disconnected from and close to another block named CCC. Block CCC contains a medium yellow square. A medium blue square is in this block.
Do all medium black shapes touch all medium yellow squares?