#include<stdio.h>

int main()
{
	FILE* fp;
	fp = fopen("testdata.in", "r");

	int testcase;
	fscanf(fp, "%d", &testcase);

	for(int tc = 1; tc<=testcase; tc++)
	{
	    int count;
		int lightning;
		int seq, min, max;
		fscanf(fp, "%d %d %d", &seq, &min, &max);

		for(int i = 0; i<seq; i++)
		{
			char bin;
			fscanf(fp, "%c", &bin);
			if(bin == '1') count++;
			if(bin == '0')
			{
				if(count<= max && count >= min)
				lightning++;
			}
			count = 0;
		}
		printf("Case #%d: %d\n", tc, lightning);
	}
	fclose(fp);

	return 0;
}