A medium yellow square and two medium black squares are in a block called AAA. Another medium black square is inside and touching block AAA. South of medium black square number two there is the medium yellow square. Disconnected from, away from and in front of another block named BBB there is block AAA. Block BBB covers a medium blue square. We have a block called CCC. Block CCC has a medium yellow square which is south of a medium black square. Block CCC has the medium black square. The medium black square is north of another medium yellow square. Medium yellow square number two is covered by block CCC.
Is any shape to the north of all medium yellow squares?