//SWEA 3499 ÆÛÆåÆ® ¼ÅÇÃ(D3)

import java.io.*;

import java.util.*;

public class java_3499{

public static void main(String[] args) throws Exception{

//BufferedReader br = new BufferedReader(new FileReader("test.txt"));

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

StringBuilder sb = new StringBuilder();

int T = Integer.parseInt(br.readLine());

for(int t = 1; t <= T; t++){

sb.append("#" + t);

int N = Integer.parseInt(br.readLine());

String[] arr =new String[N];

StringTokenizer st = new StringTokenizer(br.readLine(), " ");

for(int i = 0; i < N; i++)

arr[i] = st.nextToken();

int temp = N%2 == 0 ? N/2 : N/2+1;

for(int i = 0; i < temp; i++){ //3-> 0

sb.append(" " + arr[i]);

sb.append(" " + (i+temp < N? arr[i+ temp] : ""));

}

sb.append("\n");

}

System.out.print(sb);

br.close();

}

}