#pragma GCC optimize ("O2")
#pragma GCC target ("avx")
//#include<bits/stdc++.h>
#include<iostream>
#include<cstring>
//#include<atcoder/all>
//using namespace atcoder;

using namespace std;
typedef long long ll;
#define rep(i, n) for(int i = 0; i < (n); i++)
#define rep1(i, n) for(int i = 1; i <= (n); i++)
#define co(x) cout << (x) << "\n"
#define cosp(x) cout << (x) << " "
#define ce(x) cerr << (x) << "\n"
#define cesp(x) cerr << (x) << " "
#define pb push_back
#define mp make_pair
#define chmin(x, y) x = min(x, y)
#define chmax(x, y) x = max(x, y)
#define Would
#define you
#define please

char cn[1200010];
char* ci = cn, * di = cn;
const ll ma0 = 1157442765409226768;
const ll ma1 = 1085102592571150095;
const ll ma2 = 71777214294589695;
const ll ma3 = 281470681808895;
const ll ma4 = 4294967295;
inline int getint() {
	ll tmp = *(ll*)ci;
	int dig = 68 - __builtin_ctzll((tmp & ma0) ^ ma0);
	tmp = tmp << dig & ma1;
	tmp = tmp * 10 + (tmp >> 8) & ma2;
	tmp = tmp * 100 + (tmp >> 16) & ma3;
	tmp = tmp * 10000 + (tmp >> 32) & ma4;
	ci += 72 - dig >> 3;
	return tmp;
}

int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);

	fread(cn, 1, 1200010, stdin);
	int T = getint();

	rep(t, T) {
		int N = getint();

		rep(i, N)* di++ = '0';
		rep(i, N)* di++ = '1';
		*di++ = '0';
		*di++ = '\n';
		ci += 6 * N + 3;
	}
	fwrite(cn, 1, di - cn, stdout);

	Would you please return 0;
}
//雪花飄飄北風嘯嘯
//天地一片蒼茫

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
#define ll long long
#define ii pair<ll,ll>
#define iii pair<ii,ll>
#define fi first
#define se second
#define endl '\n'
#define debug(x) cout << #x << " is " << x << endl

#define pub push_back
#define pob pop_back
#define puf push_front
#define pof pop_front
#define lb lower_bound
#define up upper_bound

#define rep(x,start,end) for(auto x=(start)-((start)>(end));x!=(end)-((start)>(end));((start)<(end)?x++:x--))
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()

#define indexed_set tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>
//change less to less_equal for non distinct pbds, but erase will bug

mt19937 rng(chrono::system_clock::now().time_since_epoch().count());

int n,m,a,b;
string grid[105];

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin.exceptions(ios::badbit | ios::failbit);
	
	cin>>n>>m>>a>>b;
	rep(x,0,n) cin>>grid[x];
	
	a--,b--;
	
	int ans=-3;
	int c;
	
	c=b;
	while (c<m) if (grid[a][c]=='.') ans++,c++; else break;
	c=b;
	while (0<=c) if (grid[a][c]=='.') ans++,c--; else break;
	
	c=a;
	while (c<n) if (grid[c][b]=='.') ans++,c++; else break;
	c=a;
	while (0<=c) if (grid[c][b]=='.') ans++,c--; else break;
	
	cout<<ans<<endl;
}
