func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve() {     long long n;     cin >> n;     string s;     cin >> s;     vector<string> all;     for (long long i = 0; i <= 9; i++) {       all.push_back(s);       for (char &c : s)         if (c ==  9 )           c =  0 ;         else           c++;     }     string ans = s;     for (string &x : all) {       for (long long i = 0; i < n; i++) {         string y = x;         rotate(y.begin(), y.begin() + y.size() - i, y.end());         ans = min(y, ans);       }     }     cout << ans <<   n ;   }   void solve(bool testcase) {     long long t;     cin >> t;     while (t--) solve();   }   int32_t main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     solve();     return 0;   }   