Sapphire
15 000 XP
Has a chance to trigger once a day on a regular sdk problem.
Uncommon
Recently completed by
Jelmer 5k, 
genericname2511 4k, 
Xavier Richard 3k, 
Валерий Осипов 4k,
and 986 others.
Jelmer 5k, genericname2511 4k, Xavier Richard 3k, Валерий Осипов 4k,