User contributions
- 00:40, 5 April 2013 (diff | hist) . . (+2) . . 2013 AIME II Problems/Problem 12
- 00:39, 5 April 2013 (diff | hist) . . (+182) . . 2013 AIME II Problems/Problem 12 (oops, got this one wrong)
- 00:14, 5 April 2013 (diff | hist) . . (+237) . . 2013 AIME II Problems/Problem 12
- 00:10, 5 April 2013 (diff | hist) . . (+3) . . 2013 AIME II Problems/Problem 12 (doesn't really matter but...)
- 00:09, 5 April 2013 (diff | hist) . . (+1,276) . . 2013 AIME II Problems/Problem 12