Activity 10 days
December 20, 2012
10 solves
December 19, 2012
106 solves
December 18, 2012
8 solves
December 17, 2012
26 solves
December 16, 2012
38 solves
December 15, 2012
53 solves
December 14, 2012
103 solves
December 13, 2012
37 solves
December 12, 2012
26 solves
December 11, 2012
8 solves