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

package Happy;
import java.io.*;
import java.math.*;
import java.lang.*;
import java.util.*;
import java.util.Arrays.*;
import java.io.BufferedReader;
//import java.io.IOException;
//import java.io.InputStreamReader;
//import java.io.PrintWriter;
//import java.util.StringTokenizer;

/**
 *
 * @author ipoqi
 */
public class Happy {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        new Happy().haha();
    }

    public void haha() {
        BufferedReader in = null;
        BufferedWriter out = null;
        try{
            in = new BufferedReader(new FileReader("C-large.in"));
            out = new BufferedWriter(new FileWriter("LLL.out"));
            int T = Integer.parseInt(in.readLine());
            System.out.println("T="+T);

            //LinkedList<Integer> mm = new LinkedList<Integer>();
            //mm.add(new LinkedList<Integer>());
           //int[][] mm;
           //for(int ii=0;ii<mm.length;ii++){
           //     mm[0][ii] = 1;
           //}


            for(int i=0;i<T;i++){
                String[] line = in.readLine().split(" ");
                int A = Integer.parseInt(line[0]);
                int B = Integer.parseInt(line[1]);
                //System.out.print(" A = "+A+"\n");
                //System.out.print(" B = "+B+"\n");

                int ans = 0;

                
                for(int j=A;j<B;j++){
                    int n=j;
                    if(n>=10){
                        String N = Integer.toString(n);
                        int nlen = N.length();
                        List<Integer> oks = new ArrayList<Integer>();
                        for(int k=0;k<nlen-1;k++){
                            String M = "";
                            for(int kk=1;kk<=nlen;kk++){
                                 M = M + N.charAt((k+kk)%nlen);
                            }
                            int m = Integer.parseInt(M);
                            //System.out.print(" N = "+N+"\n");
                            //System.out.print(" M = "+M+"\n");

                            if(m>n && m<=B) {
                                boolean isNewOne = true;
                                for(int kkk=0;kkk<oks.size();kkk++){
                                    //System.out.print(" KKK = "+oks.get(kkk)+"\n");
                                    if(m==oks.get(kkk)){
                                        isNewOne = false;
                                    }
                                }
                                if(isNewOne){
                                    //System.out.print(" N = "+N+"\n");
                                    //System.out.print(" M = "+M+"\n");
                                    oks.add(m);
                                    ans++;
                                }
                            }
                        }
                    }
                }
                out.write("Case #"+(i+1)+": "+ans+"\n");
                System.out.print("Case #"+(i+1)+": "+ans+"\n");
            }
            in.close();
            out.close();
        }catch(Exception e){
            e.printStackTrace();
            try{
                in.close();
                out.close();
            }catch(Exception e1){
                e1.printStackTrace();
            }
        }
        System.out.print("YES!\n");
    }

}
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;


public class recycle {
	static int count=0;
	static int A = 0;
	static int B = 0;
	
	public static void permutes(String start){
		int n = Integer.valueOf(start);
		for(int i=1;i<start.length();i++){
			String current = start.substring(0, i);
			String rest = start.substring(i, start.length());
			String finish = rest+current;
			int m = Integer.valueOf(finish);
			if(n==m){
				break;
			}
				
			if(m<=B && n<m){
				count++;
			
			}
		}
		
	}
	public static void main(String args[])
	 {
		String line;
		  int i=0;
		  try{
		  FileInputStream fstream1 = new FileInputStream("CLtest.txt");
		  DataInputStream in1 = new DataInputStream(fstream1);
		  BufferedReader br1 = new BufferedReader(new InputStreamReader(in1));
		  FileWriter fw = new FileWriter("outC.txt");
		  BufferedWriter out = new BufferedWriter(fw);
		 
		  while ((line = br1.readLine()) != null)   {  
		  		

		  		if(i!=0){
		  			String outpt = "Case #"+i+": ";
		  			String brkline[]=line.split(" ");
		  			A = Integer.valueOf(brkline[0]);
		  			//System.out.println("A= "+A);
		  			B = Integer.valueOf(brkline[1]);
		  			//System.out.println("B= "+B);
		  			
		  			for(int p=A;p<=B;p++){
		  				permutes(String.valueOf(p));
		  			}
		  			outpt = outpt+count;		
		  			out.write(outpt+"\n");
		  			System.out.println(outpt);
		  			}
		  		
		  		i++;
		  		count=0;
		  	  }
		  
		  //Close the input stream
		  in1.close();
		  //Close the output stream
		  out.close();
		    }catch (Exception e){//Catch exception if any
		  System.err.println("Error: " + e);
		  }
/////////////////////////////////////////////////				
		
	 }
}
