A medium blue square is covered by and a medium black square is in a block called AAA. North of the medium blue square is the medium black square. Another block called BBB with a yellow square and a medium black square is to the south of and far from block AAA. Disconnected from this block there is block AAA. The yellow thing is north of the medium black square. To the north of a medium blue square there is the medium black square. The medium blue square is inside block BBB.
Are all blocks disconnected from the yellow square?