15 July 2021
30 June 2021
26 June 2021
24 May 2021
8 May 2021
17 April 2021
5 February 2021
29 January 2021
9 January 2021
28 December 2020
8 December 2020
1 November 2020
30 October 2020
8 October 2020
28 August 2020
4 June 2020
2 June 2020
29 February 2020
22 February 2020
7 September 2019
21 May 2019
Reverted edits by R.E.T.F (talk) to last version by 铁桶
m-193
Added more about the ball, and added a better drawing too
+193