import java.io.*;

class code1
{
	public static void main(String args[]) throws Exception 
	{
		File ii = new File ("C-small-attempt1.in");
		FileInputStream fis = new FileInputStream(ii);
		BufferedReader  br = new BufferedReader(new InputStreamReader (fis));
		int cases = Integer.parseInt(br.readLine());
		FileOutputStream fout = new FileOutputStream ("output.txt");
		DataOutputStream dout = new DataOutputStream (fout);
		int total=0;
		for(int i=0;i<cases;i++){
		String temp = br.readLine();
		String parts [] = temp.split(" ");
		int lower = Integer.parseInt(parts[0]);
		int upper = Integer.parseInt(parts[1]);
		System.out.println(lower+" "+upper);
		
		for(int j=lower;j<=upper;j++)
		{
			int abc = j;int length=0;
			if(j<10)continue;
			while (abc!=0){abc/=10;length++;}
			abc=j;
			for(int m=0;m<length-1;m++){
				int shift = abc%10;
				abc=abc/10;
				System.out.println("hi "+j);
				abc=abc+shift*power(10,length-1);
				if(abc<=upper&&shift!=0&&abc>j)total++;
				System.out.println(total);
			}
		}
 		dout.writeBytes("Case #"+(i+1)+ ": "+total+"\n");
 		total=0;
		}//for close
		
	}

	private static int power(int i, int j) {
		int no=1;
		for(int a=0;a<j;a++){no=10*no;}
		return no;
	}
}
import java.util.*;

public class Recycle {
	private static Scanner s = new Scanner(System.in);

	public static void main(String[] args) {
		int T = s.nextInt();

		List<Integer> ms = new LinkedList<Integer>();

		for (int t = 0; t < T; t++) {
			int A = s.nextInt();
			int B = s.nextInt();

			int digits = String.valueOf(A).length();

			int total = 0;
			for (int i = A; i < B; i++) {
				String num = String.valueOf(i);
				ms.clear();
				for (int j = 1; j < digits; j++) {
					int r = Integer.parseInt(num.substring(j) + num.substring(0, j));
					if (r > i && r <= B && !ms.contains(r)) {
						total++;
						ms.add(r);
					}
				}
			}

			System.out.printf("Case #%d: %d\n", t + 1, total);
		}
	}
}
