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;
	}
}


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.lang.Integer;
import java.util.ArrayList;

class jamc {
    public static void main(String[] args) {
    	BufferedReader bufferRead = new BufferedReader(new InputStreamReader(System.in));
	    try {
			String s = bufferRead.readLine();
			int testCases=Integer.parseInt(s);
			ArrayList<String> sars = new ArrayList<String>();
			for(int i=0; i< testCases; i++){
				s = bufferRead.readLine();
				sars.add(s);				
			}
			System.out.println("\n");
			
			for(int j=0; j<sars.size(); j++){
				String [] split=sars.get(j).split(" ");
				int num1=Integer.parseInt(split[0]);
				int num2=Integer.parseInt(split[1]);
				
				System.out.println("Case #"+(j+1)+": " + recycleCt(num1, num2));
			}
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	    
    }
    
    public static int recycleCt(int num1, int num2){
    	int ret=0;
    	String num1Str=String.valueOf(num1);
		String num2Str=String.valueOf(num2);
		if(num1Str.length()!=num2Str.length()){
			return 0;
		}
		for(int j=num2; j>=num1; j--)
		for(int i=num1; i<=num2; i++){
			if(i<j)
				if(isRecycled(i, j)) ret++;
		}
		return ret;
    }
  
    public static boolean isRecycled(int num1, int num2){
    	String num1Str=String.valueOf(num1);
		String num2Str=String.valueOf(num2);
		for(int i=0; i < num1Str.length(); i++){
			String tempStr=num1Str.substring(i, num1Str.length()) +num1Str.substring(0, i);
			if(tempStr.compareToIgnoreCase(num2Str)==0) return true;
		}
    	return false;
    }
    
}