func_code_string: #include <bits/stdc++.h>   using namespace std;   void c_p_c() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cin.tie(0);   }   int main() {     c_p_c();     int Q;     cin >> Q;     while (Q--) {       int n, h = 0, j = 0, b[2];       cin >> n;       for (int i = 1; i <= n; i++) {         int a;         cin >> a;         if (a % 2 == 0)           h = i;         else {           if (j == 2) continue;           b[j++] = i;         }       }       if (h > 0)         cout <<  1 n  << h <<   n ;       else if (j == 2) {         cout <<  2 n  << b[0] <<     << b[1] <<   n ;       } else         cout <<  -1 n ;     }   }   