{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"A common problem is running out of disk space, how can it be solved?","a":"Clean up unnecessary files: Delete files that are no longer needed, such as  temporary files, cache files, and spam."}]}],"pr":"6d95f1690431930da808a329718220feb858e2f0b4f044ebbb09553b27a09c8a"}