# abcdefg

Algebra Level pending

Find the average value of $$(a−b)^2+(b−c)^2+(c−d)^2+(d−e)^2+(e−f)^2+(f−g)^2$$ over all possible arrangements$$(a,b,c,d,e,f,g)$$ of the seven numbers $$1,2,3,11,12,13,14$$ .

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