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guoguan9837

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  • Friend of: 12 users
  • Last visit: 10 months ago
  • Registered: 14 months ago
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46 problems
solved for all time
22 problems
solved for the last year
0 problems
solved for the last month
2 days
in a row max.
2 days
in a row for the last year
0 days
in a row for the last month