In the kanji 道, 週 and so on, the ⻌ radical is written firstlast, then the main element. The same for 起, where 走 is written first. In the kanji 建 and 延, in which the top-right component is written first, then the 廴 radical. But in 起, 走 is written first. All three radicals are used as "にょう" radicals, as far as I can tell, but 廴走 is written in a different order to ⻌ and 走廴. Is there any reason why?