User contributions
- 20:57, 19 February 2020 (diff | hist) . . (+136) . . Talk:2270: Picking Bad Stocks
- 14:02, 7 February 2020 (diff | hist) . . (+19) . . 994: Advent Calendar (→Explanation)
- 09:52, 6 February 2020 (diff | hist) . . (+19) . . 950: Mystery Solved (→Explanation)