Thought I'd add Some pics for your comparison
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This shows the dew claw as shepherd mentioned but its rare to find a print with a show of one
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This shows the layout of moving deer note the overlap of front and rear
Click image for larger version. 

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As above
Click image for larger version. 

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Overlapped track this often distorts the track making people believe you are tracking a bigger animal than you are

I hope this helps and I'm not high jacking