#include <bits/stdc++.h> using namespace std; const long long N = 1e4 + 5; long long n, x, a[N], t; bool b = true;

int main() { cin >> t; while (t--) { cin >> n >> x; for (int i = 1; i <= n; i++) { cin >> a[i]; } for (int i = 2; i <= n; i++) { if (a[i - 1] == a[i]) { continue; } else if (a[i - 1] > a[i]) { if (a[i - 1] - a[i] > x) { cout << "Lose\n"; b = false; break; } else { continue; } } else { if (a[i] - a[i - 1] > 1) { cout << "Lose\n"; b = false; break; } else { continue; } } } if (b) { cout << "Win\n"; } b = true; }

return 0;

}