Madeline and lily are delivering cards for the school fundraiser. they start at lily's apartment on adams street. they walk south 3 blocks and deliver 2 boxes of cards to madeline's dance teacher. they walk east 4 blocks and deliver 3 boxes to lily's aunt. then they walk north 1 block and east 2 blocks to deliver a box to madeline's grandparents. finally, they go north 2 blocks, then west 3 blocks, to deliver a box to lily's piano teacher. how many blocks are they from lily's apartment