#include <bits/stdc++.h>
using namespace std;
int t;
int a[4][100100];
vector<int> beg[4], en[4];
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cin >> t;
  while (t--) {
    bool out = 1;
    int n, noob;
    cin >> n >> noob;
    for (int i = 1; i <= 3; i++) {
      for (int j = 1; j <= n; j++) {
        char x;
        cin >> x;
        if (x == 's')
          a[i][j] = 1;
        else if (x == '.')
          a[i][j] = 0;
        else
          a[i][j] = 3;
      }
    }
    for (int i = 1; i <= 3; i++)
      for (int j = 1; j <= n; j++) {
        if (a[i][j] == 3 && (j == 1 || a[i][j - 1] != 3)) beg[i].push_back(j);
        if (a[i][j] == 3 && (j == n || a[i][j + 1] != 3)) en[i].push_back(j);
      }
    for (int j = 1; j < n; j++) {
      for (int i = 1; i <= 3; i++)
        if (a[i][j] == 1 && a[i][j + 1] != 3) a[i][j + 1] = 1, a[i][j] = 0;
      if (a[2][j + 1] == 1) {
        if (a[1][j + 1] == 0) a[1][j + 1] = 1;
        if (a[3][j + 1] == 0) a[3][j + 1] = 1;
      } else if (a[1][j + 1] == 1 && a[2][j + 1] == 0)
        a[2][j + 1] = 1;
      else if (a[3][j + 1] == 1 && a[2][j + 1] == 0)
        a[2][j + 1] = 1;
      for (int i = 1; i <= 3; i++) {
        for (int k = 0; k < en[i].size(); k++) {
          int e = en[i][k];
          a[i][e] = 0;
          if (e > 1) a[i][e - 1] = 0;
          en[i][k] = max(0, e - 2);
        }
        for (int k = 0; k < beg[i].size(); k++) {
          int b = beg[i][k];
          if (b > 1) a[i][b - 1] = 3;
          if (b > 2) a[i][b - 2] = 3;
          beg[i][k] = max(0, b - 2);
        }
      }
      bool check = 0;
      for (int i = 1; i <= 3; i++)
        if (a[i][j + 1] == 1) check = 1;
      if (check == 0) {
        out = 0;
      }
    }
    if (out)
      cout << "YES" << endl;
    else
      cout << "NO" << endl;
    for (int i = 1; i <= 3; i++) {
      beg[i].clear();
      en[i].clear();
    }
  }
  return 0;
}
