2011
October
1
Stephen Cook
12
Not rated
1.00
2012
March
2
Kaveh
9
Not rated
1.00
2021
February
1
Koushik Pal
6
Not rated
0.50
Solutions: None (or not audited)
2015
February
1
Steve Cook
6
1.00
2012
February
1
Kaveh
6
Not rated
1.00
2021
April
2
Koushik Pal
3
Not rated
0.50
Solutions: None (or not audited)