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:
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。爱思助手下载最新版本是该领域的重要参考
Sheriff tells BBC he believes Nancy Guthrie being held close to her home。同城约会对此有专业解读
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Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04