#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a;
    cin>>a;
    char b[a][17];
    for(int i=0;i<=a-1;i++){
        for(int j=0;j<=16;j++){
            cin>>b[i][j];
        }
    }
    for(int i=0;i<=a;i++){
    for(int j=0;j<=16;j++)    
            if((b[i][j]==b[i][j+1]&&b[i][j+1]==b[i][j+2]&&b[i][j+2]==b[i][j+3])||(b[i][j]=='D'&&b[i][j+1]=='X')){
            cout<<"Yes\n";
            }
            else if(j>=14)
            {
                cout<<"No\n";
            }
    }
    return 0;
}