Activity 10 days
July 21, 2010
July 20, 2010
25 solves
July 19, 2010
82 solves
July 18, 2010
67 solves
July 17, 2010
61 solves
July 16, 2010
78 solves
July 15, 2010
80 solves
July 14, 2010
105 solves
July 13, 2010
43 solves
July 12, 2010
83 solves