/*
 * 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;
        } 
    
}


package jp.funnything.competition.util;

import java.util.Iterator;

/**
 * Do NOT change the element in iteration
 */
public class Combination implements Iterable< int[] > , Iterator< int[] > {
    private final int _n;
    private final int _k;
    private int[] _data;

    public Combination( final int n , final int k ) {
        if ( k < 0 || k > n ) {
            throw new IllegalArgumentException();
        }

        _n = n;
        _k = k;
    }

    @Override
    public boolean hasNext() {
        return _data == null || _data.length > 0 && _data[ 0 ] < _n - _k;
    }

    @Override
    public Iterator< int[] > iterator() {
        return this;
    }

    @Override
    public int[] next() {
        if ( _data == null ) {
            _data = new int[ _k ];
            for ( int index = 0 ; index < _k ; index++ ) {
                _data[ index ] = index;
            }
        } else {
            int i = 0;

            while ( i < _k - 1 && _data[ i + 1 ] == _data[ i ] + 1 ) {
                _data[ i ] = i++;
            }

            _data[ i ]++;
        }

        return _data;
    }

    @Override
    public void remove() {
    }
}
