import java.util.Scanner;

class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int t=sc.nextInt();
		int casos=1, a, b, n, m, cont;
		while(t!=0){
			a=sc.nextInt();
			b=sc.nextInt();
			if(a>b){
				int aux=a;
				a=b;
				b=aux;
			}
			System.out.printf("Case #%d: ",casos++);
			if(a==b){
				System.out.printf("%d\n",0);
			}else{
				cont=0;
				for(n=a;n<b;n++){					
					for(m=n+1;m<=b;m++){					
						if(isRecycled(n,m)) cont++;
					}
				}
				System.out.printf("%d\n",cont);
			}
			t--;
		}		
	}
	public static boolean isRecycled(int n1, int n2){
		String s1, s2, aux;
		s1 =  String.valueOf( n1 );
		s2 =  String.valueOf( n2 );		
		boolean r = false;		
		for(int i=0;i<s1.length();i++){
			aux="";
			aux=s1.substring(i,s1.length())+s1.substring(0,i);
//			System.out.println(aux);
			if(aux.equals(s2)){
				r=true;
				break;
			}
		}		
		return r;
	}
}

package com.irabin.google.codejam.problem3;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.Scanner;

public class RecycledNumber {

	private Scanner scanner;
	private PrintWriter writer;

	public RecycledNumber(InputStream in, OutputStream os) {
		scanner = new Scanner(in);
		writer = new PrintWriter(os);
	}

	public void solve() {

		int n = Integer.parseInt(scanner.nextLine());

		for (int i = 1; i <= n; i++) {
			writer.print("Case #" + i + ": ");

			String output = "";

			int A = scanner.nextInt();
			int B = scanner.nextInt();

			int total = 0;
			for (int j = A; j <= B; j++) {

				String str = String.valueOf(j);
				if (str.length() < 2) {
					continue;
				}

				int startIndex = 1;
				int endIndex = str.length();
				while (startIndex < endIndex) {
					String notSubStr = str.substring(0, startIndex);
					String substr = str.substring(startIndex);

					String newValue = substr.concat(notSubStr);
					int C = Integer.valueOf(newValue);
					
					String strJ = String.valueOf(j);
					String strC = String.valueOf(C);

					if (A<=j && j < C && C <= B && strJ.length()==strC.length()) {
						total = total + 1;
					}

					startIndex = startIndex + 1;
				}

			}
			output = String.valueOf(total);

			writer.println(output);
			writer.flush();
		}
		writer.close();

	}

	public static void main(String args[]) {

		InputStream input = null;
		input = RecycledNumber.class.getResourceAsStream(args[0]);

		OutputStream output = null;
		try {
			output = new FileOutputStream(args[1]);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}

		RecycledNumber practise1 = new RecycledNumber(input, output);
		practise1.solve();
	}
}
