Pattern Folding Question

[xatlasb]

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What is the difference between B and C??

http://imageshack.us/photo/my-images/856/screenshot20130416at113.png/

 

[Shazzam]

The base is thinner on C than B making C the correct answer. If you still don't see it, I'll post an image detailing it further.

 

[xatlasb]

that would be very helpful, I can't tell at all that C has a thinner base.

 

[xatlasb]

never mind, I see it now.