（一）政府性基金或者行政事业性收费；
Act fast to secure the Kanto Region Badge Collection as a free gift with purchase.
，更多细节参见Line官方版本下载
* @param arr 原数组
Add a cluster of points in one corner and watch that corner subdivide deeply while the rest of the space stays untouched. Then scatter a few points across the empty region and watch it split only where needed. The tree grows around the data.
// Check for BYOB request FIRST