Starting from the y-intercept of [0, 5], you do by either moving six blocks <em>south</em><em> </em>over five blocks <em>west</em><em> </em>or six blocks <em>north</em><em> </em>over four blocks <em>east</em><em> </em>[<em>west</em><em> </em>and <em>south</em><em> </em>are negatives].
