Regions with many nearby points keep subdividing. Regions with few or no points stay large. The tree adapts to the data: dense areas get fine-grained cells, sparse areas stay coarse. The split grid is predetermined (always at midpoints), but the tree only refines cells that need it. Sparse regions stay as single large nodes while dense regions subdivide deeply.
The core Cyrillic lowercase confusables are pixel-identical across 30-44 standard fonts:
，详情可参考同城约会
Гангстер одним ударом расправился с туристом в Таиланде и попал на видео18:08
A similar system is already being used by South Cambridgeshire District Council which in the last 12 months has identified 1,000 additional claims for residents.