Problems were authored and prepared by:↵
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A: [user:KAN,2021-12-12], [user:dimatimoshin23,2021-12-12], [user:kirill.grachoff,2021-12-12], [user:antonis.white,2021-12-12]↵
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B: [user:kirill.grachoff,2021-12-12]↵
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C: [user:napstablook,2021-12-12]↵
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D: [user:antonis.white,2021-12-12]↵
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E: [user:antonis.white,2021-12-12]↵
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F: [user:Denisson,2021-12-12]↵
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F: [user:antonis.white,2021-12-12]↵
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[tutorial:1585A]↵
[tutorial:1585B]↵
[tutorial:1585C]↵
[tutorial:1585D]↵
[tutorial:1585E]↵
[tutorial:1585F]↵
[tutorial:1585G]
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A: [user:KAN,2021-12-12], [user:dimatimoshin23,2021-12-12], [user:kirill.grachoff,2021-12-12], [user:antonis.white,2021-12-12]↵
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B: [user:kirill.grachoff,2021-12-12]↵
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C: [user:napstablook,2021-12-12]↵
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D: [user:antonis.white,2021-12-12]↵
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E: [user:antonis.white,2021-12-12]↵
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F: [user:Denisson,2021-12-12]↵
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F: [user:antonis.white,2021-12-12]↵
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[tutorial:1585A]↵
[tutorial:1585B]↵
[tutorial:1585C]↵
[tutorial:1585D]↵
[tutorial:1585E]↵
[tutorial:1585F]↵
[tutorial:1585G]