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:
第八十六条 支持仲裁机构到中华人民共和国境外设立业务机构，开展仲裁活动。
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Жители Санкт-Петербурга устроили «крысогон»17:52
for (int gap = n / 2; gap 0; gap /= 2) {