https://gist.github.com/xu664/1576c4975bd31d6deb8c367775817354
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https://gist.github.com/xu664/661cd8553eaed9c7abf1314edfb33c70

https://gist.github.com/MayDorsey24/1ea53de700a17ab1abc72a420dcc20a4
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https://gist.github.com/MayDorsey24/3d65682de11cb60ecb0d8a5ce7907f9c

https://gist.github.com/xu664/92493f7d0113b7608247332aa8424106
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