Is it allowed to enter HG with multi mules in one computer

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As title, 

Is it allowed to enter HG with multi mules in one computer???

 

For example, I entered many mules, mule1 mule2 mule3 .....etc with my computer at the same time

 

Is this against any game rule? will dc and be banned ?

 

or is it allowed and it's ok to do it? 

 

Anyone or GM can help me with this ? Thanks

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not allowed.if u try it..u cannot enter