ãã¥ã¢ãã¯ã€ãã®ã¢ãžã¥ãŒã«åŒãã£ãããããã2å4段ã®ãã£ãããšããæ§æã«ä»äžããŸãããæä»ãã®åçŽãšäœ¿ããããåŒãåºããåãããªãã£ã¹ãæŽç¶ãšèŠããŠãããŸãã