\n15 \n1jV?\n1zY?zn14 zn1jV?zn1z9n15 n1jV?n1zV?n1X7 n1jV?n1z8ĝn1=4 ĝn1jV?ĝn1zK?n15 n1jV?n1zK?n16 n1jV?n1zK?