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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.File;

public class RecycledNumbers {
    
    public static void main(String[] args)
    {
        try
        {
            FileReader fr = new FileReader(new File(args[0]));
            PrintResult pr = new PrintResult(args[1]);
            process(fr, pr);
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
        
    }
    
    public static void process(FileReader fr, PrintResult pr)
    {
        int numCases;
        int[] in;
        try
        {
            numCases = fr.nextInt();
            for (int i = 0; i < numCases; i++)
            {
                in = fr.nextIntArray();
                pr.printLine(i, solve(in[0],in[1]));
            }
            pr.close();
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
    }
    
    public static String solve(int a, int b)
    {
        int count = 0;
        char[] achar = Integer.toString(a).toCharArray();
        int m = 0;
        if(achar.length > 1)
        {
            for(int n = a; n < b+1; n++)
            {
                for(int j = 1; j < Integer.toString(n).length(); j++)
                {
                    m = rearrange(n,j);
                    if(m > n && m < b + 1)
                    {
                        int mlength = Integer.toString(m).toCharArray().length;
                        int nlength = Integer.toString(n).toCharArray().length;
                        if(mlength == nlength)
                        {
                            count++;
                        }
                        if(b == 2222)
                        {
                            System.out.println(n + " " + m + " " + j);
                        }
                    }
                }
            }
        }
        return Integer.toString(count);
    }
    
    public static int rearrange(int in, int amount)
    {
        char[] temp = Integer.toString(in).toCharArray();
        char[] result = new char[temp.length];
        for(int i = 0; i < temp.length; i++)
        {
            result[i] = temp[(temp.length-amount+i)%temp.length];
        }
        return Integer.parseInt(new String(result));
    }
}
