func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long mod = 1e9 + 7;   const long long N = 200005;   long long fasmul(long long a, long long b) {     long long res = 1;     while (b) {       if (b & 1) res = (res * a) % mod;       a = (a * a) % mod;       b = b / 2;     }     return res;   }   void solve() {     long long n;     char c;     string s;     cin >> n >> c >> s;     long long d = n / 2;     long long ok = 1;     for (long long i = 0; i < n; i++)       if (s[i] != c) ok = 0;     if (ok) {       cout << 0 <<   n ;       return;     }     for (long long i = d; i < n; i++) {       if (s[i] == c) {         cout << 1 <<   n ;         cout << i + 1 <<   n ;         return;       }     }     cout << 2 <<   n ;     cout << n <<     << n - 1 <<   n ;   }   int32_t main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     ;     long long t = 1;     cin >> t;     while (t--) {       solve();     }   }   