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 * and open the template in the editor.
 */
package gcj;

import java.io.File;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author daniele
 */
public class GCJ_C {
    
    public static void main(String[] args) throws Exception{
        
        
        
        Scanner in = new Scanner(new File(args[0]));
        FileWriter out = new FileWriter("/home/daniele/Scrivania/Output");
        

        int prove=in.nextInt();
        int min,max;
        int cifre;
        int cifreaus;
        String temp;
        int aus;
        int count=0;
        ArrayList<Integer> vals = new ArrayList<Integer>();
        int jcount=0;
        ArrayList<Integer> perm = new ArrayList<Integer>();
        
        out.write("");
        out.flush();
        
        for(int i=1;i<=prove;i++){
            
            out.append("Case #" +i+": ");out.flush();
            
            min=in.nextInt();
            max=in.nextInt();
            
            for(int j=min;j<=max;j++){
               if(!vals.contains(j)){
                    temp=""+j;
                    cifre=temp.length();
                    aus=j;
                    perm.add(j);
                    for(int k=1;k<cifre;k++){
                        aus=rotateOnce(aus);
                        temp=""+aus;
                        cifreaus=temp.length();//elusione zeri iniziali
                        if(aus>=min && aus<=max && aus!=j && cifreaus==cifre && nobody(vals,perm)){ 
                            perm.add(aus);
                            jcount ++;
                            
                        }
                        
                    }
                    while(jcount>0){count+=jcount; jcount--;}
                    vals.addAll(perm);
                    perm= new ArrayList<Integer>();
                    
                }
            }
            out.append(count+"\n");out.flush();
            count=0;
            vals= new ArrayList<Integer>();
        }
        
        
        
    }
        static public int rotateOnce(int n){
            String s=""+n;
            if(s.length()>1){
                s=s.charAt(s.length()-1) + s.substring(0,s.length()-1);
                n=Integer.parseInt(s);
            }
            return n;
        }    
        
        static public boolean nobody(ArrayList<Integer> v,ArrayList<Integer> a){;
            for(int i=0;i<a.size();i++)
                if(v.contains(a.get(i))) return false;
            return true;
        } 
    
}


import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;


public class RecycleNumbers {
	
	private static final Map<Integer,Integer> power = new HashMap<Integer,Integer>();
	
	static{
		power.put(0,1);
		power.put(1,10);
		power.put(2,100);
		power.put(3,1000);
		power.put(4,10000);
		power.put(5,100000);
		power.put(6,1000000);
	}
	
	private static int recycle(int b , int max)
	{
		int size =0 ,ret = 0;
		int a = b , rem = 0 , i = 0;
		while((size++ > -1) && ((a = a/10)!= 0));
		a = b;
		int myPower = power.get(size -1);
		Set<Integer> mySet = new HashSet<Integer>();
		for(i = 0 ; i < size-1; i++)
		{
			rem = a%10;
			a = rem * myPower + a/10;
			if(a > b && a <= max && !mySet.contains(a)) ret++;
			mySet.add(a);
		}
		return ret;
	}
	
	public static void main(String[] args) throws IOException {
		if (args.length < 2) {
			System.err.println("Please enter the Valid I/O Paths in the argument ");
			System.err.println("First Input , then OutPut ");
			System.exit(0);
		}
		File inFile = new File(args[0]);
		File outFile = new File(args[1]);
		BufferedReader in = new BufferedReader(new InputStreamReader(
				new FileInputStream(inFile)));
		PrintWriter out = new PrintWriter(new FileOutputStream(outFile));
		String myLine = in.readLine();
		int t = Integer.parseInt(myLine);
		int caseNum = 1 , result;
		int a , b;
		while (t-- > 0) {
			myLine = in.readLine();
			String[] myStr = myLine.split(" ");
			a = Integer.parseInt(myStr[0]);
			b = Integer.parseInt(myStr[1]);
			result = 0;
		    for(int i = a ; i < b ; i++)
		    	result += recycle(i,b);
			out.println("Case #" + (caseNum) + ": " + result);
			caseNum++;
		}
		out.close();
	}
}
