MathGroup Archive 2004

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Hi,
I have a list of the form 
{{something1,x1},{something2,x2},{something3,x3}} where x1,x2, x3 are 
numbers. I want to sort this list with respect to xi. In other word if 
x2<x3<x1 I want Mathematica to produce:
{{something2,x2},{something3,x3},{something1,x1}}
Thanks for your help
Vincent


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