func_code_string: #include <bits/stdc++.h>   using namespace std;   int abs(int x) { return x >= 0 ? x : -x; }   int main() {     int n;     cin >> n;     while (n--) {       vector<int> x;       vector<int> y;       char tmp;       for (int i = 0; i < 8; i++) {         for (int j = 0; j < 8; j++) {           cin >> tmp;           if (tmp ==  K ) {             x.push_back(i);             y.push_back(j);           }         }       }       int tx, ty;       tx = abs(x[0] - x[1]);       ty = abs(y[0] - y[1]);       if ((tx % 4 == 0) && (ty % 4 == 0) && ((tx + ty) % 4 == 0))         cout <<  YES  << endl;       else         cout <<  NO  << endl;     }     return 0;   }   