within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a squarewithin a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square within a square w