21 January 2016

• 15:0015:00, 21 January 2016 diff hist +1 m 2010 AIME II Problems/Problem 12 →Solution 1

20 January 2016

• 11:1411:14, 20 January 2016 diff hist +2 m 2011 AIME II Problems/Problem 13 →Solution 5

15 January 2016

• 14:0914:09, 15 January 2016 diff hist 0 m 2011 AIME II Problems/Problem 10 →Solution 2
• 13:4813:48, 15 January 2016 diff hist −2 m 2011 AIME II Problems/Problem 6 →Solution 1
• 13:4513:45, 15 January 2016 diff hist +5 m 2011 AIME II Problems/Problem 6 →Solution 1
• 13:4213:42, 15 January 2016 diff hist +1 2011 AIME II Problems/Problem 6 →Solution 1
• 13:4013:40, 15 January 2016 diff hist +2 m 2011 AIME II Problems/Problem 6 →Solution 1

14 January 2016

• 19:0719:07, 14 January 2016 diff hist 0 m 2011 AIME I Problems/Problem 14 →Solution 1