#include using namespace std; int t, n, a[105], b[105]; int main() { cin >> t; while (t--) { bool flag = true; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { cin >> b[i]; } sort(a, a + n); sort(b, b + n); for (int i = 0; i < n; i++) { if (b[i] - a[i] > 1 || b[i] - a[i] < 0) flag = false; } cout << (flag ? "YES" : "NO") << endl; } return 0; }