func_code_string: #include <bits/stdc++.h>   using namespace std;   int t;   string s;   int main() {     cin >> t;     while (t--) {       cin >> s;       int n = s.size();       int ans = n + 1, l = 0, c[4] = {0};       for (int i = 0; i < n; i++) {         c[s[i] -  0 ]++;         while (c[1] > 0 && c[2] > 0 && c[3] > 0) {           ans = min(i - l + 1, ans);           c[s[l++] -  0 ]--;         }       }       if (ans == n + 1)         cout << 0 << endl;       else         cout << ans << endl;     }   }   