using System;
using System.Collections.Generic;

public class Program
{
    public void Proc() {
        Reader.IsDebug = false;
        int cnt = int.Parse(Reader.ReadLine());
        for(int i=0; i<cnt;i++) {
            int[] inpt = Reader.GetInt();
            if(this.IsWin(inpt[0], inpt[1])) {
                Console.WriteLine("Win");
            } else
            {
                Console.WriteLine("Lose");
            }
        }
    }
    
    private bool IsWin(int max, int len) {
        this.Goal = max;
        this.MoveLen = len;
        this.CanWinDic = new Nullable<bool>[Goal + 1];
        this.CanWinDic[Goal - 1] = false;
        for(int i=1; i<=len; i++) {
            int idx = Math.Max(0, Goal - 1 - i);
            this.CanWinDic[idx] = true;
        }
        return CanWin(0);        
    }
    
    private int Goal = 0;
    private int MoveLen = 0;
    private Nullable<bool>[] CanWinDic;
    
    private bool CanWin(int num) {
        if(this.CanWinDic[num] != null) {
            return this.CanWinDic[num].Value;
        }
        bool isOnlyWin = true;
        for(int i=1; i<=MoveLen; i++) {
            if(num + i < Goal) {
                if(!this.CanWin(num + i)) {
                    isOnlyWin = false;
                }
            }
        }
        this.CanWinDic[num] = !isOnlyWin;
        return this.CanWinDic[num].Value;
    }


    public class Reader {
        private static String InitText = @"

3
5 10
40 6
100 8



        ";
        
        private static System.IO.StringReader sr = null;
        
        public static bool IsDebug = true;
        
        public static string ReadLine() {
            if(IsDebug) {
                if(sr == null) {
                    sr = new System.IO.StringReader(InitText.Trim());
                }
                return sr.ReadLine();
            } else {
                return Console.ReadLine();
            }
        }
        public static int[] GetInt(char delimiter = ' ') {
            string[] inpt = ReadLine().Split(delimiter);
            int[] ret = new int[inpt.Length];
            for(int i=0; i<inpt.Length; i++) {
                ret[i] = int.Parse(inpt[i]);
            }
            return ret;
        }
    }
    public static void Main(string[] args)
    {
        Program prg = new Program();
        prg.Proc();
    }
}