Step through the construction below. Each time a new point is inserted, watch the tree decide whether it needs to split a region:
1. 钢筋锚固检测委托单中见证取样人员无委托授权，取样人员未签字。（违反《建设工程质量检测管理办法》（部令第57号）第二十条。）
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if(p->scavange = n) p->scavange++;
Number (0): Everything in this space must add up to 0. The answer is 3-0, placed vertically.