#include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     int t;     cin >> t;     while (t--) {       int n;       string s;       cin >> n >> s;       int ans = 100;       for (int i = 0; i < n; i++) {         if (s[i] ==  > ) {           ans = min(ans, i);           break;         }       }       for (int i = n - 1; i >= 0; i--) {         if (s[i] ==  < ) {           ans = min(ans, n - i - 1);           break;         }       }       cout << ans << endl;     }     return 0;   }   