/*
 * 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.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;


public class RecycledNumber {
	public static void main(String[] args) throws IOException {
		
		BufferedReader br = new BufferedReader(new FileReader("C-large.in"));
		BufferedWriter bw = new BufferedWriter(new FileWriter("output.txt"));		
		
		int inputlength = Integer.parseInt(br.readLine());
		String line = null;
		int casenum = 1;
		while( (line = br.readLine()) != null){
			String start = line.split(" ")[0];
			String end = line.split(" ")[1];			
			String output = "Case #"+casenum+": ";
			output += getRecycledNumber(start, end);			
			if(casenum!=inputlength) output+="\n";
			bw.write(output);			
			casenum++;
		}
		bw.close();		
		
	}
	
	public static int getRecycledNumber(String start, String end){
			
		int startnum = Integer.parseInt(start);
		int endnum = Integer.parseInt(end);
		int numofdigit = start.length();
		
		HashSet<String> hs = new HashSet<String>();		
		
		for(int i = startnum; i <=endnum ; i++){
			
			String source = String.valueOf(i);
			String rotated = String.valueOf(i);
			
			int numofrotation = 1;			
			while(numofrotation<numofdigit){				
				rotated = getRotatedString(rotated);								
				if(rotated.charAt(0) != '0' && !source.equals(rotated) && startnum <= Integer.parseInt(rotated) && Integer.parseInt(rotated) <= endnum){					
					if(source.compareTo(rotated)>0){
						hs.add(source+rotated);
					}else{
						hs.add(rotated+source);
					}							
				}				
				numofrotation++;
			}
			
		
		}
				
		return hs.size();
	}
	
	
	public static String getRotatedString(String source){		
		return source.substring(source.length()-1)+source.substring(0, source.length()-1);
	}
	
//	public static int getRecycledNumber2(String start, String end){
//		int startnum = Integer.parseInt(start);
//		int endnum = Integer.parseInt(end);
//		int numofdigit = start.length();
//		
//		int result =0;
//		
//		for (int i = startnum ; i <=endnum ; i++){			
//			for(int j = i+1 ; j <= endnum ; j++){
//				int numofrotation = 1;
//				while(numofrotation<numofdigit){
//					
//					if (j == Integer.parseInt(getRotatedString(String.valueOf(i)))){
//						result++;
//					}
//										
//					numofrotation++;
//				}
//				
//			}			
//		}
//				
//		return result;
//	}
	
}
