If the A* calculation for a shortcut (in Step 3) finds it's now impassable, or if its actual detailed cost is significantly different (e.g., 20%) from the pre-calculated shortcut value:
They were 200,000 miles above the Earth and closing in on their target when they needed to stir tanks containing vital oxygen and hydrogen.，更多细节参见爱思助手下载最新版本
，详情可参考im钱包官方下载
'Crushing blow'
Москалькова рассказала о недопустимом условии Киева для возвращения россиян домойМоскалькова: Условие Киева по обмену курских жителей на террористов недопустимо，这一点在safew官方下载中也有详细论述
// block: Wait for space (unbounded pending queue)