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 contests.GoogleCodejam.GCJ2012.qualification;


import contests.GoogleCodeJam.practice.GCJ2010.qualification.ProblemA;

import java.io.FileNotFoundException;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * User: vassili
 * Date: 4/14/12
 * Time: 1:12 PM
 *
 */
public class ProblemC {
    public static void main(String args[]) throws FileNotFoundException {
        Scanner scanner = new Scanner(ProblemC.class.getResourceAsStream("c_small.in"));

        int tests = scanner.nextInt();

        for (int test = 1; test <= tests; test++) {
            int A = scanner.nextInt();
            int B = scanner.nextInt();

            int result = 0;

            for(int i = A; i <= B; i++){
                String num1 = ""+i;
                int len1 = num1.length();

                for(int j = i + 1; j<=B; j++){
                    String num2 = "" + j;
                    if(len1 != num2.length()){
                        break;
                    }

                    for(int k = 0; k < num2.length(); k++){
                        num2 = num2.charAt(len1-1) + num2.substring(0, len1-1);
                        if(num2.equals(num1)){
                            result+=1;
                            break;
                        }
                    }
                }
            }

            System.out.println("Case #" + test + ": " + result);
        }

    }
}

