BasecampКостянтин Луценко
Kostil
Grandmaster
Jun
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2021
Feb
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2022
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2023
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2024
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2025
Feb
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Jun
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2026
Feb
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Apr
Kostil solved hidden problem on 17 attempt6 days ago Kostil solved hidden problem on 16 attempt6 days ago Kostil solved hidden problem on 4 attempt6 days ago Kostil solved hidden problem on 4 attempt6 days ago 
