The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.
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12月22日，平谷万达广场，市民观看开业表演。新京报记者 薛珺 摄，详情可参考搜狗输入法2026
5AE COUNTR - SLCTR TST_SEL_CS PTSELE ; test selector (in LCALL delay slot)
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