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earned π·
Aged like Fine Wine
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earned ποΈ
Big Brother
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solved
Ordinal Numbers in Perl
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solved
Odious Numbers in Perl
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solved
Niven Numbers in Perl
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solved
Christmas Trees in Perl
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solved
Arrows in Perl
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solved
Leyland Numbers in Perl
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solved
Happy Numbers in Perl
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earned π
Hello, World!