using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace TestDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            List<string> textLines = new List<string>();
            int n = int.Parse(Console.ReadLine());

            for (int i = 0; i < n; i++)
            {
                string input = Console.ReadLine();
                textLines.Add(input);
            }

            StringBuilder sb = new StringBuilder();

            foreach (var line in textLines)
            {
                string[] currentLine = line.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);

                for (int i = 0; i < currentLine.Length / 2; i++)
                {
                   sb.Append($"{currentLine[i]} ");
                }
                sb.AppendLine();
                for (int i = currentLine.Length / 2; i < currentLine.Length; i++)
                {
                    sb.Append($"{currentLine[i]} ");

                }
                sb.AppendLine();
            }
            string result = sb.ToString().Trim();
            Console.WriteLine(result);
        }
    }
}