Instruction is on the pdf file.
sample worksheet.zip (application/x-zip-compressed), 22 bytes, created by perie_gut on 2018-09-19 05:03:11 UTC
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Creator: perie_gut
Created: 2018-09-19 05:03:11 UTC
Size: 22 bytes

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Attachments on bug 119971: 145005 | 145006