#include <stdio.h>
#include <string.h>
int count, now, n, m;
char in[101];

void findBlock(){
	for(int i=0;i<strlen(in);i++){
		if(in[i]=='|'){
			now = i;
			count++;
			return;
		}
		if(in[i]=='/'){
			(i-1<0?now=0:now=i-1);
			count++;
			return;
		}
		if(in[i]=='\\'){
			(i+1>m-1?now=m-1:now=i+1);
			count++;
			return;
		}
	}
	now = 101;
}

int main(){
	int tc;
	scanf("%d",&tc);
	for(int i=1;i<=tc;i++){
		count = 0, now = 101;
		scanf("%d %d",&n,&m);
		scanf("%s",in);
		findBlock();
		for(int j=1;j<n;j++){
			if(in[now]!='.' && now!=101){
				if(in[now]=='\\')(now+1>m-1?now:now++);
				if(in[now]=='/')(now-1<0?now:now--);
			}
			scanf("%s", in);
			if(in[now]=='.' || now == 101){
				findBlock();
			}
		}
		printf("Case #%d: %d\n",i,count);
	}
	return 0;
}