Activity 10 days
September 30, 2012
5 solves
September 29, 2012
9 solves
September 28, 2012
16 solves
September 27, 2012
9 solves
September 26, 2012
24 solves
September 25, 2012
1 solve
September 24, 2012
10 solves
September 23, 2012
8 solves
September 22, 2012
13 solves
September 21, 2012
14 solves