奇偶特判

#include<bits/stdc++.h>
using namespace std;
int a[305];
int main(){
    int T; cin >> T;
    while(T--){
        int n; cin >> n;
        for(int i = 1;i <= n;i++) cin >> a[i];
        for(int i = 0;i < n / 2;i++) cout << a[i + 1] << " " << a[n - i] << " ";
        if(n % 2 != 0) cout << a[n / 2 + 1] << " ";
        cout << endl;
    }
    return 0;
}