/*
 * 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.IOException;
import java.io.BufferedReader;
import java.io.FileReader;
import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.Hashtable;
import java.util.Arrays;

import com.sun.xml.internal.bind.v2.runtime.unmarshaller.IntArrayData;



public class Recycler {
	
	private static int transpose(int num, int numDigits) { 
		//System.out.println("Input number " + num);
		//System.out.println("Number digits to be transposed " + numDigits);
		String inputString = Integer.toString(num);
		String truncatedString1 = inputString.substring(0,inputString.length()-numDigits);
		//System.out.println("Truncated String1 " + truncatedString1);
		String truncatedString2 = inputString.substring(inputString.length()-numDigits);
		//System.out.println("Truncated String2 " + truncatedString2);
		//System.out.println("Output string " +  truncatedString2 + truncatedString1);
		return Integer.valueOf(truncatedString2 + truncatedString1);
		
	}

	public static void main(String[] args) throws IOException{
		
		/* transpose(3234,2);
		transpose(323423242,5);
		transpose(100,1); */
		
 		 if (args.length != 1) {
			System.out.println("Error: incorrect number of arguments.");
			System.out.println("Usage: Recycler <input-filename>");
		} else {
			BufferedReader inputStream = null;
			try {
				 inputStream = new BufferedReader(new FileReader(args[0]));
				 int totalCases = Integer.valueOf(inputStream.readLine()).intValue();
				 //System.out.println("Total number of cases is: "+totalCases);
				 for (int i=0;i<totalCases;i++) {
					System.out.print("Case #"+(i+1)+": ");
					String numbersLine = inputStream.readLine();
					//System.out.println("Numbers line is: "+numbersLine);
					String[] theNumbers = numbersLine.split(" ");
					int lower = Integer.valueOf(theNumbers[0]);
					int higher = Integer.valueOf(theNumbers[1]);
					//System.out.println("Lower number is " +  theNumbers[0]);
					//System.out.println("Higher number is " +  theNumbers[1]);
					int numDigits = Integer.toString(lower).length();
					int output=0;
					Set<String> done = new HashSet<String>();
					for (int l=1;l<numDigits;l++) {
						//each iteration transposes l digits
						for (int k=lower;k<=higher;k++) {
							//System.out.println("Number is " + k);
							//k is the number under consideration;
							
							int otherNumber = transpose(k,l);
							//System.out.println("Other number is " + otherNumber);
							if ((otherNumber>k) &&
								(otherNumber<=higher) &&
								Integer.toString(k).length() == Integer.toString(otherNumber).length() &&
								!done.contains(String.valueOf(new Integer(k)) + String.valueOf(new Integer(otherNumber)))
								) {
								//System.out.println(k+" "+ otherNumber + " Incrementing");
									output++;
									done.add(String.valueOf(new Integer(k)) + String.valueOf(new Integer(otherNumber)));
								}
						}

					}
					System.out.println(output);
				}
			} catch (IOException e) {
				System.out.println("Error in reading file");
			} finally {
				if (inputStream != null) {
					inputStream.close();
				}
			}
		}  
	} 
}