[1] どんたく - Wikipedia (1/20/2019, 3:45:14 PM) https://ja.wikipedia.org/wiki/%E3%81%A9%E3%82%93%E3%81%9F%E3%81%8F
[2] 半ドン - Wikipedia (1/31/2019, 2:55:14 PM) https://ja.wikipedia.org/wiki/%E5%8D%8A%E3%83%89%E3%83%B3
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