For numbers, use rot5: 
y!a-zA-Z0-9!n-za-mN-ZA-M5-90-4!

[download]
Or go wild and do something like: 
y!a-zA-Z0-9!n-zA-Z0-9a-m!

[download]

Abigail

In reply to Re: Obscure data by Abigail-II
in thread Obscure data by sweetblood

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