#include <bits/stdc++.h>
using namespace std;
int main() {
  pair<int, int> k[3];
  char cell[9][9];
  int n;
  cin >> n;
  char c;
  int z = 0;
  while (n) {
    for (int i = 1; i < 9; i++) {
      for (int j = 1; j < 9; j++) {
        cin >> c;
        if (c == 'K') {
          k[z].first = i;
          k[z].second = j;
          z++;
        }
      }
    }
    if (abs(k[0].first - k[1].first) == 4 ||
        abs(k[0].first - k[1].first) == 0) {
      if (abs(k[0].second - k[1].second) == 4 ||
          abs(k[0].second - k[1].second) == 0) {
        cout << "YES\n";
        z = 0;
        n--;
        continue;
      }
    }
    cout << "NO\n";
    z = 0;
    n--;
  }
  return 0;
}
