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Second Largest
       

Given an array, return second  largest element from an array.

Input:

The first line of input contains an integer T denoting the number of test cases.
The first line of each test case is N,N is the size of array.
The second line of each test case contains N input C[i].

Output:

Print the second largest element.

Constraints:

1 ≤ T ≤ 50
1 ≤ N ≤ 500
1 ≤ C[i] ≤ 1200

Example:

Input
2
5
89 24 75 11 23

6
56 42 21 23 65 20

Output
75
56

** For More Input/Output Examples Use 'Expected Output' option **

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