[read standard input]

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

class type {
    public static void main(String args[]) throws NumberFormatException,
            IOException {

        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        int t = Integer.parseInt(in.readLine());
        while (t-- > 0) {
            String[] num = new String[51];
            num = in.readLine().split(" ");
            int n = Integer.parseInt(num[0]);

            int[] a = new int[n];
            for (int i = 0; i < n; i++) {
                a[i] = Integer.parseInt(num[i + 1]);
            }

        }
    }
}