#include <bits/stdc++.h>
using namespace std;
bool vis[1005][1005];
char ch[1005][1005];
int dx[] = {0,1,0,-1},dy[] = {1,0,-1,0};
int main() {
	int t;
	scanf("%d",&t);
	while (t--) {
		int n,m,k,x0,y0,d0;
		memset(vis,0,sizeof(vis));
		scanf("%d%d%d%d%d%d",&n,&m,&k,&x0,&y0,&d0);
		for(int i = 1;i<=n;i++){
			char s[1005];
			cin>>s;
			for(int j = 1;j<=m;j++)ch[i][j] = s[j-1];
		}
		vis[x0][y0] = true;
		for (int i = 1;i<=k;i++) {
			int x1 = x0+dx[d0],y1 = y0+dy[d0];
			if (1<=x1 && x1<=n && 1<=y1 && y1<=m && ch[x1][y1] == '.') {
				x0 = x1;
				y0 = y1;
			}
			else d0 = (d0+1)%4;
			vis[x0][y0] = true;
		}
		int ans = 0;
		for (int i = 1;i<=n;i++) {
			for (int j = 1;j<=m;j++)
				ans+=vis[i][j];
		}
		printf("%d\n",ans);
	}
}
```
`