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using System;
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namespace aoc2019
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{
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internal class DayFactory
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{
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internal static Day GetDay(int daynum)
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{
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switch (daynum)
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{
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case 1: return new Day1();
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case 2: return new Day2();
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case 3: return new Day3();
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case 4: return new Day4();
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default: return null;
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}
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}
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}
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}
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