Just kidding! You tried going to https://satos.jp/2013/02/%25E3%2583%2587%25E3%2582%25B6%25E3%2582%25A4%25E3%2583%25B3%25E3%2581%25AE%25E5%25AD%25A6%25E6%25A0%25A1-%25E3%2581%2593%25E3%2582%258C%25E3%2581%258B%25E3%2582%2589%25E3%2581%25AF%25E3%2581%2598%25E3%2582%2581%25E3%2582%258Bfireworks%25E3%2581%25AE%25E6%259C%25AC, which doesn't exist, so that means I probably broke something.

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