//Problem D
#include 

int main(){
	int tc,r,c;
	char in[10000];
	scanf("%d",&tc);
	for(int i=1;i<=tc;i++){
		int index = 0;
		scanf("%s",in);
		scanf("%d %d",&r,&c);
		printf("Case #%d:\n",i);
		for(int j=0;j