2L decoder, d=5, 5h+1h
尺寸规范：参赛作品须基于正方形模版，长宽为 188.1mm，并在四周包含 φ9.05mm 的圆角。你可以通过 本链接 获得官方尺寸示意图。
。91视频对此有专业解读
To find these crucial border points, we employed a clever technique based on the Ford-Fulkerson algorithm. By simulating "flooding" roads with traffic from random start/end points, we could identify the natural bottlenecks – the "minimum cut" in graph theory terms. These bottlenecks became our border points.
民族要复兴，乡村必振兴。中华民族伟大复兴的事业波澜壮阔！