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.google.codejam.practice2012.qualificationRound;

import com.google.codejam.abs.Problem;
import com.google.codejam.utils.files.ManejoArchivos;

import java.io.FileNotFoundException;
import java.io.IOException;

import java.util.HashMap;
import java.util.Map;

public class RecycledNumbers extends Problem {
    public RecycledNumbers(String name) throws FileNotFoundException, 
                                               IOException {
        super(name);
    }

    public static void main(String[] args) throws FileNotFoundException, 
                                                  IOException {
        //new RecycledNumbers("RecycledNumbers-Sample");
        new RecycledNumbers("RecycledNumbers-Small");
        //new RecycledNumbers("RecycledNumbers-Large");
    }

    public String execCase() throws IOException {
        int[] rango = ManejoArchivos.getInts();
        int numRecycled = 0;
        for(int number=rango[0];number<rango[1];number++) {
            String strNumber = String.valueOf(number);
            for(int i=0;i<strNumber.length()-1;i++) {
                strNumber = strNumber.substring(1) + strNumber.charAt(0);
                int newNumber = Integer.parseInt(strNumber);
                if( number < newNumber && newNumber <= rango[1] ) {
                    numRecycled++;
                    System.out.println(number + " " + newNumber);
                }
            }
        }

        return "" + numRecycled;
    }
}
