/*
 * 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 recy {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		int stat[] = new int [2000001];
		
		StringBuffer output = new StringBuffer();
		 
		try{
			  FileInputStream fstream = new FileInputStream("/Users/iToR/Documents/workspace/CodeJam3/src/C-large.in");
			
			  DataInputStream in = new DataInputStream(fstream);
			  BufferedReader br = new BufferedReader(new InputStreamReader(in));
			  String strLine;
			
			 
			  strLine = br.readLine();
			  int line = (new Integer(strLine)).intValue();
			  
			  int i = 1;
			  
			  
			  
			  
			  while ((strLine = br.readLine()) != null)   {
				 
				  //each case
				  
				 
				  	
					output.append("Case #"+i+": ");
						
					String[] temp;
						 
					/* delimiter */
					String delimiter = " ";
					/* given string will be split by the argument delimiter provided. */
			
					temp = strLine.split(delimiter);
					
					
					int orimin = (new Integer(temp[0])).intValue();
					int min = (new Integer(temp[0])).intValue();
					int max = (new Integer(temp[1])).intValue();
					int count = 0;
					
						 while(min<=max){
							 
							  //try swap
							  String tempStr = ""+min;
							  String oritempStr = ""+min;
							  int oricheck = (new Integer(oritempStr)).intValue();
							  stat[min] = 1;
							  for(int k = 0;k<oritempStr.length()-1;k++){
								  //System.out.println("before:"+ tempStr+"x"+tempStr.length());
								  char first = tempStr.charAt(0);
								  
								  tempStr = tempStr.substring(1,tempStr.length());
								  tempStr+= first;
								  
								  int check = (new Integer(tempStr)).intValue();
								  
								  //System.out.println("after:"+ tempStr+"x"+tempStr.length());
								  if(tempStr.charAt(0)=='0'){
									  
								  }
								  else if(check>0&&check<=max&&check>=orimin){
									  if(check>oricheck){
										  count++;
										 //System.out.println(oritempStr+","+check);
									  }
								  }
								  
							  	}
							  
							  min++;							  
						  }
						 
						 
						
						output.append(count);
						if(i<line){
							output.append("\n");
							
						}			
						i++;
			  
			  
			  }
			  //Close the input stream
			  in.close();
			    }catch (Exception e){//Catch exception if any
			  System.err.println("Error1: " + e.getMessage());
			  }
		//write output
		 	try{
			
			  FileWriter fstream = new FileWriter("result_large.txt");
			  BufferedWriter out = new BufferedWriter(fstream);
			  out.append(output);
			 
			  out.close();
			  }catch (Exception e){
			  System.err.println("Error2: " + e.getMessage());
			  }
	}

}
