Tracking since Oct 5 — growth appears once we have a second daily reading.
Slider game. The rule is to click on the tiles around the black square, and the tile will move to the position of the black square. Repeat this operation to complete the pattern.
![拼图游戏（滑块游戏）[ SlideChina ] icon](https://play-lh.googleusercontent.com/lZOUTN4JqfTzik0YWiJgkiA6Kbzgr98jJ1_b1gIFB9nlB0AxT5pt0uu2Ypr8lPwVbw_KzqjkL3VcdURwx6taGQ4)
