/*
 * To change this template, choose Tools | Templates
 * 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.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;


/**
 *
 * @author ZIYAN
 */
public class Test {

    /**
     * @param args the command line arguments
     */
       public static void main(String[] args) throws FileNotFoundException, IOException {
        
        
         Scanner scanner = new Scanner(new File("C:\\Documents and Settings\\ZIYAN\\Desktop\\C-small-attempt0.IN"));
       
       
        FileWriter fstream = new FileWriter("C:\\Documents and Settings\\ZIYAN\\Desktop\\out.txt");
        BufferedWriter out = new BufferedWriter(fstream);
        
        int cases=scanner.nextInt();
        for(int l=0;l<cases;l++)
        {
            out.write("Case #"+(l+1)+": ");
        int a,b;
        a=scanner.nextInt();
        b=scanner.nextInt();
        
        int[] x=new int[b-a+1];
        x[0]=a;
        for(int i=1;i<b-a+1;i++)
        {
           x[i]= x[i-1]+1;
        
            
        }
        int rslt=0;
        for(int m=0;m<x.length;m++)
        {
        String sr="";
        
        sr+=x[m];
        
        
        char[] c=new char[chkdgt(a)];
        c=sr.toCharArray();
        
        for(int p=0;p<c.length;p++)
        {
            
            String br=new String(c);
            int var=Integer.parseInt(br);
            for(int q=m+1;q<x.length;q++)
            {
                if(var==x[q] && x[q]!=0)
                {
                    System.out.println(x[q]);
                    
                    rslt++;
                }
            }
            c=rotate(c);
        }
        }
        System.out.println(rslt);
        String st="";
        st+=rslt;
        out.write(st);
        out.newLine();
        }
        out.close();
    }
    public static char[] rotate(char[] x)
    {
        char[] y=new char[x.length];
        for(int i=0;i<x.length;i++)
        {
            if(i==x.length-1)
            {  
                y[0]=x[i];
            
            }
            else{
            
                y[i+1]=x[i];
            }
            
        }
        String str="";
        String str2="";
        for(int i=0;i<x.length;i++)
        {
            str+=y[i];
            str2+=x[i];
        }
        return str.toCharArray();
        
    }
    public static int chkdgt(int x)
    {
        int dgt=10;
        int rs=1;
        while(x>=dgt)
        {
            dgt*=10;
            rs++;
        }
        return rs;
    }
}

