package Main;

import com.sun.deploy.util.ArrayUtil;
import org.apache.commons.lang3.ArrayUtils;

import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;

/**
 * Created with IntelliJ IDEA.
 * User: arran
 * Date: 14/04/12
 * Time: 3:12 PM
 * To change this template use File | Settings | File Templates.
 */
public class Round {
    public StringBuilder parse(BufferedReader in) throws IOException {
        StringBuilder out = new StringBuilder();
        String lineCount = in.readLine();

        for (int i = 1; i <= Integer.parseInt(lineCount); i++)
        {
            out.append("Case #"+i+": ");
            System.err.println("Case #"+i+": ");
            String line = in.readLine();
            String[] splits = line.split(" ");
            int p1 = Integer.valueOf(splits[0]);
            int p2 = Integer.valueOf(splits[1]);
            int r = pairRecyclable(p1, p2);
            out.append(r);

//            if (i < Integer.parseInt(lineCount))
                out.append("\n");
        }
        return out;
    }

    public static int pairRecyclable(int i1, int i2) {
        HashSet<String> hash = new HashSet<String>();
        for (int i = i1; i < i2; i++)
        {
            String istr = String.valueOf(i);
            if (istr.length() < 2) continue;
            for (int p = 0; p < istr.length() ; p++)
            {
                String nistr = istr.substring(p,istr.length()).concat(istr.substring(0,p));
                if (Integer.valueOf(nistr) < i1) continue;
                if (Integer.valueOf(nistr) > i2) continue;
                if (nistr.equals(istr)) continue;
                String cnistr = (Integer.valueOf(nistr) > Integer.valueOf(istr)) ?  istr + "," + nistr : nistr + "," + istr;
                hash.add(cnistr);
            }
        }
        return hash.size();
    }

    public static void main(String[] args) {
        InputStreamReader converter = null;
        try {
            int attempt = 0;
            String quest = "C";
//            String size = "small-attempt";
            String size = "large";
            converter = new InputStreamReader(new FileInputStream("src/resource/"+quest+"-"+size+".in"));
            BufferedReader in = new BufferedReader(converter);
            Round r = new Round();
            String str = r.parse(in).toString();
            System.out.print(str);
            FileOutputStream fos = new FileOutputStream(quest+"-"+size+".out");
            OutputStreamWriter osw = new OutputStreamWriter(fos);
            BufferedWriter bw = new BufferedWriter(osw);
            bw.write(str);
            bw.flush();
            bw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}


import java.io.BufferedReader;
import java.io.InputStreamReader;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */


/**
 *
 * @author andy
 */
public class RecycledNumbers {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws Exception {
        
        //char sd = '1';
        //int[] sdf = new int[ 10 ];
        
        //System.out.println( sdf[ 0 ] );
        
        
        
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); 
        
        String s = in.readLine();
        
        int numTestCases = Integer.parseInt(s);
        
        int a;
        int b;
        
        int len;
        
        for( int testCase = 1 ; testCase <= numTestCases ; testCase ++ )
        {
            int count = 0;
            
            String ab = in.readLine();
            
            String[] arrAB = ab.split(" ");
            a = Integer.parseInt(arrAB[0]);
            b = Integer.parseInt(arrAB[1]);
            
            //System.out.println( "ab: " + a + " " + b);
            
            int[] appearedInThisCycle = new int[numTestCases];
            
            char[] arrA;
            // arrA = arrAB[0].toCharArray();
            
            //len = arrA.length;
            
            for( int n = a ; n < b ; n ++ )
            {
                arrA = String.valueOf(n).toCharArray();
                len = arrA.length;
                
                int[] cycleArr = new int[ len ];
                
                for( int c = 0 ; c < len ; c ++)
                {
                    int aValue = 0;
                    
                    for( int ai = 0 ; ai < len ; ai ++)
                    {
                        aValue += Math.pow(10, ai) * Character.digit(arrA[ (c - ai + len) % len ],10);
                    }
                    
                    cycleArr[ c ] = aValue;
                    
                    boolean hasntAlreadyAppeared = true;
                    
                    for( int i = 0 ; i < c ; i ++ )
                    {
                        if( cycleArr[i] == aValue )
                        {
                            //System.out.println(":" + cycleArr[c] + " " + aValue);
                            hasntAlreadyAppeared = false;
                            //break;
                        }
                    }
                    
                    
                    
                    if( hasntAlreadyAppeared && aValue > n && aValue <= b )
                    {
                        //System.out.println(n + " and " + aValue );
                        
                        count ++;
                    }
                    
                    
                }
                
                
                
                
                
                
                
                
            }
            
            
            System.out.println("Case #" + testCase + ": " + count );
            
        }
    }
}
