import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;


public class GoogleC {
	public String szamol(String input){
		String result="";
		String a=input;
		Integer min=Integer.parseInt(a.substring(0,a.indexOf(' ')));
		a=a.substring(a.indexOf(' ')+1);
		Integer max=Integer.parseInt(a);
		Long count=0l;
		for(Integer i=min; i<=max; i++){
			String e1=i.toString();
			Set<Integer> db=new HashSet<Integer>(); 
			for (int j=1; j<e1.length();j++){
				
				String e2=e1.substring(j)+e1.substring(0,j);
				Integer k=Integer.parseInt(e2);
				if (k>i && k<=max){
					db.add(k);
					//System.out.println(e1+"\t"+e2);
				}
				
			}
			count+=db.size();
		}
		
		return count.toString();
	}
	public static void main(String[] args) {
		GoogleC a=new GoogleC();
		//String filename="input.txt";
		//String filename="C-small-attempt0.in";
		String filename="C-large.in";
		String thisLine;
		try {
			BufferedReader br = new BufferedReader(new FileReader(filename));
			BufferedWriter bw= new BufferedWriter(new FileWriter(filename+".out"));
			thisLine=br.readLine();
			Integer tnum=Integer.parseInt(thisLine);
		     for(int i=0;i<tnum;i++) { // while loop begins here
		    	 	thisLine=br.readLine();
		           System.out.println(thisLine);
		           System.out.println("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		           bw.write("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		         } // end while 
		        // end try
		     br.close();
		     bw.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}


	}

}

import java.io.*;
import java.util.ArrayList;
import java.util.List;

public class Problem_C {
    public static void main(String[] args) throws IOException
            {

                String fileName = "C-large.in";
                FileReader reader = new FileReader(fileName);
                LineNumberReader lnreader = new LineNumberReader(reader);
                FileWriter writer = new FileWriter("output-C-large.txt");
                PrintWriter out = new PrintWriter(writer);
                
                String line = ""; 
                line = lnreader.readLine();
                String line_array[];
                int A;
                int B;
                int length;
                int recycled;
                int count = 0;
				List<Integer> rec_list = new ArrayList<Integer>();
                int index = 0;

                while ((line = lnreader.readLine()) != null){
                    count = 0;
                    line_array = line.split(" ");
                    length = line_array[0].length();
					rec_list.clear();
                    A = Integer.parseInt(line_array[0]);
                    B = Integer.parseInt(line_array[1]);
                    for (int k=A;k<B;k++){
                        recycled = k;
						rec_list.clear();
                        for (int j=1;j<length;j++){
                            recycled = recycle(recycled,length);
                            if ((recycled > k) && (recycled <= B)){
                                if (!rec_list.contains(recycled)){
                                    count++;
                                    rec_list.add(recycled);
                                }
                            }
                        }
                    }

                    out.println("Case #" + (lnreader.
                    getLineNumber()-1) + ": " + count);
                }
                out.close();

            }

            private static  int recycle(int a,int length){
                int r = a%10;
                int q = a/10;
                r = r * (int)java.lang.Math.pow(10,length-1);
                return (r+q);
            }
}

