def judge(N,K):
    if K >= N:
        print("Win")
        return 1
    #勝敗を記録するlistを0～Nまで作る（0は不使用）
    dp = ["" for _ in range(N+1)]
    dp[1] = "Lose"
    for i in range(1,N+1,K):
        if i%2 == 0:
            if i+K+1 <= N:
                dp[i:i+K] = [ "Win" for _ in range(K)]
            else:
                j = 1
                while i+j <= N:
                    dp[i+j] = "Win"
                    j += 1
        else:
            if i+K+1 <= N:
                dp[i:i+K] = [ "Lose" for _ in range(K)]
            else:
                j = 1
                while i+j <= N:
                    dp[i+j] = "Lose"
                    j += 1
    print(dp[N])
    return 1




P = int(input())
for _ in range(P):
    n,k = map(int,input().split())
    judge(n,k)