User contributions
- 23:40, 4 April 2013 (diff | hist) . . (+2) . . 2013 AIME II Problems/Problem 12
- 23:39, 4 April 2013 (diff | hist) . . (+182) . . 2013 AIME II Problems/Problem 12 (oops, got this one wrong)
- 23:14, 4 April 2013 (diff | hist) . . (+237) . . 2013 AIME II Problems/Problem 12
- 23:10, 4 April 2013 (diff | hist) . . (+3) . . 2013 AIME II Problems/Problem 12 (doesn't really matter but...)
- 23:09, 4 April 2013 (diff | hist) . . (+1,276) . . 2013 AIME II Problems/Problem 12
