Problem: Polycarp has a favorite sequence a[1 ... n] consisting of n integers. He wrote it out on the whiteboard as follows:

  * he wrote the number a_1 to the left side (at the beginning of the whiteboard); 
  * he wrote the number a_2 to the right side (at the end of the whiteboard); 
  * then as far to the left as possible (but to the right from a_1), he wrote the number a_3; 
  * then as far to the right as possible (but to the left from a_2), he wrote the number a_4; 
  * Polycarp continued to act as well, until he wrote out the entire sequence on the whiteboard. 

<image> The beginning of the result looks like this (of course, if n ≥ 4).

For example, if n=7 and a=[3, 1, 4, 1, 5, 9, 2], then Polycarp will write a sequence on the whiteboard [3, 4, 5, 2, 9, 1, 1].

You saw the sequence written on the whiteboard and now you want to restore Polycarp's favorite sequence.

Input

The first line contains a single positive integer t (1 ≤ t ≤ 300) — the number of test cases in the test. Then t test cases follow.

The first line of each test case contains an integer n (1 ≤ n ≤ 300) — the length of the sequence written on the whiteboard.

The next line contains n integers b_1, b_2,…, b_n (1 ≤ b_i ≤ 10^9) — the sequence written on the whiteboard.

Output

Output t answers to the test cases. Each answer — is a sequence a that Polycarp wrote out on the whiteboard.

Example

Input


6
7
3 4 5 2 9 1 1
4
9 2 7 1
11
8 4 3 1 2 7 8 7 9 4 2
1
42
2
11 7
8
1 1 1 1 1 1 1 1


Output


3 1 4 1 5 9 2 
9 1 2 7 
8 2 4 4 3 9 1 7 2 8 7 
42 
11 7 
1 1 1 1 1 1 1 1 

Note

In the first test case, the sequence a matches the sequence from the statement. The whiteboard states after each step look like this:

[3] ⇒ [3, 1] ⇒ [3, 4, 1] ⇒ [3, 4, 1, 1] ⇒ [3, 4, 5, 1, 1] ⇒ [3, 4, 5, 9, 1, 1] ⇒ [3, 4, 5, 2, 9, 1, 1].

Solution (in CPP):

Solution:
#include <bits/stdc++.h>
using namespace std;

#define ll  long long int
int max(int MX, int MN) {return (MX>MN) ? MX:MN;}
int min(int MX, int MN) {return (MX<MN) ? MX:MN;}



int main()
{
    #ifndef ONLINE_JUDGE
        //Read input
        freopen("input.txt", "r", stdin);
        //Write output
        freopen("output.txt", "w", stdout);
    #endif

    ll t;
    cin >> t;
    
    while(t--) {
        ll n;
        cin >> n;

        ll ar[n];

        for(ll i=0; i<n; i++) {
            cin >> ar[i];
        }

        if(n%2 == 0) {
            ll j = n-1;
            ll count = 0;
            for(ll i=0; i<n/2; i++) {
                cout << ar[i] << " ";
                count++;
                if(count == n) {
                    break;
                }

                cout << ar[j] << " ";
                j--;
                count++;
                if(count == n) {
                    break;
                }
            }
        }
        else {

            ll j = n-1;
            ll count = 0;
            for(ll i=0; i<n/2+1; i++) {
                cout << ar[i] << " ";
                count++;
                if(count == n) {
                    break;
                }

                cout << ar[j] << " ";
                j--;
                count++;
                if(count == n) {
                    break;
                }
            }
        }
        cout << "\n";
    }

    return 0;
}