#include <bits/stdc++.h>
using namespace std;
template <class T>
inline T bigmod(T p, T e, T M) {
  T ret = 1;
  for (; e > 0; e >>= 1) {
    if (e & 1) ret = (ret * p) % M;
    p = (p * p) % M;
  }
  return (T)ret;
}
template <class T>
inline T gcd(T a, T b) {
  if (b == 0) return a;
  return gcd(b, a % b);
}
template <class T>
inline T modinverse(T a, T M) {
  return bigmod(a, M - 2, M);
}
template <class T>
inline T lcm(T a, T b) {
  a = abs(a);
  b = abs(b);
  return (a / gcd(a, b)) * b;
}
template <class T, class X>
inline bool getbit(T a, X i) {
  T t = 1;
  return ((a & (t << i)) > 0);
}
template <class T, class X>
inline T setbit(T a, X i) {
  T t = 1;
  return (a | (t << i));
}
template <class T, class X>
inline T resetbit(T a, X i) {
  T t = 1;
  return (a & (~(t << i)));
}
inline long long power(long long a, long long b) {
  long long multiply = 1;
  for (int i = (1); i <= (b); i++) {
    multiply *= a;
  }
  return multiply;
}
inline long long ABS(long long a) { return (a >= 0) ? a : -a; }
int t, n;
vector<int> minlist, maxlist;
int mn, mx;
string s;
int main() {
  cin >> t;
  while (t--) {
    cin >> n;
    minlist.clear();
    maxlist.clear();
    for (int i = 1; i + 1 <= n; i += 2) {
      cout << "? " << i << ' ' << i + 1 << '\n';
      fflush(stdout);
      cin >> s;
      if (s[0] == '<') {
        minlist.push_back(i);
        maxlist.push_back(i + 1);
      } else {
        minlist.push_back(i + 1);
        maxlist.push_back(i);
      }
    }
    if (n % 2 == 1) {
      minlist.push_back(n);
      maxlist.push_back(n);
    }
    mn = minlist[0];
    mx = maxlist[0];
    for (int i = (1); i <= (minlist.size() - 1); i++) {
      cout << "? " << mn << ' ' << minlist[i] << '\n';
      fflush(stdout);
      cin >> s;
      if (s[0] == '>') mn = minlist[i];
    }
    for (int i = (1); i <= (maxlist.size() - 1); i++) {
      cout << "? " << mx << ' ' << maxlist[i] << '\n';
      fflush(stdout);
      cin >> s;
      if (s[0] == '<') mx = maxlist[i];
    }
    cout << "! " << mn << ' ' << mx << '\n';
    fflush(stdout);
  }
  return 0;
}
