No Error Streak V
2000 XP
Make no error for 100 problems.
100/100
Uncommon
Recently completed by
Ruslan Adamov 7k, 
Simon Fadda 7k, 
Ilya Job 5k, 
Thomas Shehan 9k, 
Furisato Ritsuka 6k, 
Cyril Morel 6k
and 1598 others.
