Activity 10 days
September 27, 2010
95 solves
September 26, 2010
34 solves
September 25, 2010
114 solves
September 24, 2010
58 solves
September 23, 2010
44 solves
September 22, 2010
38 solves
September 21, 2010
September 20, 2010
44 solves
September 19, 2010
135 solves
September 18, 2010
36 solves