using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;
using System.Text;

public class Program
{

    public void Proc()
    {
        int inputCount = int.Parse(Reader.ReadLine());
        StringBuilder ans = new StringBuilder();
        for (int i = 0; i < inputCount; i++) {
            int[] inpt = Reader.ReadLine().Split(' ').Select(a => int.Parse(a)).ToArray();
            ans.AppendLine(GetAns(inpt[0], inpt[1]));
        }
        Console.Write(ans.ToString());
    }


    private string GetAns(int goal, int range) {
        dic.Clear();
        if(CanWin(goal,range, 0)) {
            return "Win";
        } else {
            return "Lose";
        }
    }

    private Dictionary<int, bool> dic = new Dictionary<int, bool>();
    private bool CanWin(int goal, int range, int num) {
        if(num>=goal-1) {
            return false;
        }
        if(dic.ContainsKey(num)) {
            return dic[num];
        }

        bool win = false;
        for (int i = 1; i <= Math.Min(range, goal - num-1); i++) {
            if (!CanWin(goal, range, num + i)) {
                win = true;
                break;
            }
        }
        dic[num] = win;
        return win;
    }



    public class Reader
	{
		private static StringReader sr;
		public static bool IsDebug = false;
		public static string ReadLine()
		{
			if (IsDebug)
			{
				if (sr == null)
				{
					sr = new StringReader(InputText.Trim());
				}
				return sr.ReadLine();
			}
			else
			{
				return Console.ReadLine();
			}
		}
		private static string InputText = @"



3
5 10
40 6
100 8



";
	}

	public static void Main(string[] args)
	{
#if DEBUG
		Reader.IsDebug = true;
#endif
		Program prg = new Program();
		prg.Proc();
	}
}