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oleg_sfn

Oleg Safonov, Ryazan, Russia
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  • Friend of: 5 users
  • Last visit: 9 days ago
  • Registered: 12 months ago
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33 problems
solved for all time
30 problems
solved for the last year
0 problems
solved for the last month
1 day
in a row max.
1 day
in a row for the last year
0 days
in a row for the last month