#include<iostream>
#include<stdlib.h>
#include<stack>
#include<vector>
#include<string>

using namespace std;

int main(){
	int T,W,H,P,Q,x,y,a,b;
	int res=0;
	cin>>T;
	while(T--){
		cin>>W>>H;
		vector<vector<char>> back=vector<vector<char>>(W+1,vector<char>(H+1));
		char c;
		for(int i=1;i<=H;++i){
			for(int j=1;j<=W;++j){
				cin>>c;
				back[i][j]=c;
			}
		}
		cin>>P>>Q;
		vector<vector<char>> image=vector<vector<char>>(P,vector<char>(Q));
		for(int i=0;i<Q;++i){
			for(int j=0;j<P;++j){
				cin>>c;
				image[i][j]=c;
			}
		}

		cin>>x>>y>>a>>b;
		//图像初始化
		vector<vector<char>> running=back;
		for(int i=0;i<Q;++i){
			for(int j=0;j<P;++j){
				if(i+x>0&&i+x<=H&&j+y>0&&j+y<=W){
					running[i+x][j+y]=image[i][j];
				}
			}
		}
		int temp=0;
		for(int i=1;i<=H;++i){
			for(int j=1;j<=W;++j){
				if(back[i][j]!=running[i][j])
					temp++;
			}
		}
		int move_count=0;
		//vector<vector<char>> old_Running=vector<vector<char>>(W+1,vector<char>(H+1));
		vector<vector<char>> old_Running=running;
		//开始移动
		while(temp){
			running=back;
			res+=temp;
			temp=0;
			move_count++;
			for(int i=0;i<Q;++i){
				for(int j=0;j<P;++j){
					if(i+x+move_count*b>0&&i+x+move_count*b<=H&&j+y+move_count*a>0&&j+y+move_count*a<=W){
						running[i+x+move_count*b][j+y+move_count*a]=image[i][j];
					}
				}
			}
			for(int i=1;i<=H;++i){
				for(int j=1;j<=W;++j){
					if(old_Running[i][j]!=running[i][j])
						temp++;
				}
			}
			old_Running=running;

		}
		cout<<res<<endl;
		res=0;
	}
	system("pause");
	return 0;
}