Activity 10 days
December 20, 2009
6 solves
December 19, 2009
38 solves
December 17, 2009
30 solves
December 16, 2009
108 solves
December 15, 2009
98 solves
December 14, 2009
104 solves
December 13, 2009
35 solves
December 12, 2009
70 solves
December 11, 2009
144 solves
December 10, 2009
97 solves