#include <iostream>
#include <cstring>

using namespace std;

typedef pair<int, int> PII;

const int N = 1010;
const PII direction[4] = {{0, 1}, {1, 0}, {0, -1}, {-1, 0}};
bool st[N][N];
char g[N][N];
int T, n, m, k, x, y, d;

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

    cin >> T;
    while(T --){
        cin >> n >> m >> k;
        cin >> x >> y >> d;
        memset(st, false, sizeof st);
        st[x][y] = true;
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= m; j++)
                cin >> g[i][j];
        int res = 1;
        while(k --){
            int dx = direction[d].first, dy = direction[d].second;
            int tx = x + dx, ty = y + dy;
            if(tx > 0 && tx <= n && ty > 0 && ty <= m && g[tx][ty] != 'x'){
                x = tx; 
                y = ty;
                if(!st[tx][ty]){
                    res ++;
                    st[tx][ty] = true;
                }
            }else d = (d + 1) % 4;
        }
        cout << res << endl;
    }

    return 0;
}