#include<stdio.h>
int arr[100000];
int k=0;
int main(){
	int a=0;
	scanf("%d",&a);
	for(int l=1;l<=a;l++){
	    int s=100000000;
		int c=0;int d=0;
		scanf("%d %d %d",&k,&c,&d);
		for(int i=0;i<k;i++){
			scanf("%d",&arr[i]);
		}
		for(int i=0,j=0;j<k;){
			int n=0;int t=0;
			if(n<=c && t<=d){
				j++;
				if(arr[j]>arr[j-1])n++;
				if(arr[j]<arr[j-1])t++;
				if(n==c && t==d && j-i<s)s=j-i;
			}else{
			    i++;
			    if(arr[i]>arr[i-1])n--;
			    if(arr[i]<arr[i-1])t--;	
			    if(n==c && t==d && j-i<s)s=j-i;
			}
		}
		if(c==0 && d==0)printf("Case #%d: 1\n",l);
		else if(s==100000000)printf("Case #%d: -1\n",l);
		else printf("Case #%d: %d\n",l,s+1);
	}
}

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