/*
 * 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;
import java.util.HashSet;

public class ProblemB {
	static HashSet<String> pairs = new HashSet<String>();

	public static void main(String args[]) {
		ReadInFile();
	}

	private static void ReadInFile() {
		try {

			FileWriter ofstream = new FileWriter("c:/cygwin/out.txt");
			BufferedWriter out = new BufferedWriter(ofstream);

			// Open the file that is the first
			// command line parameter
			FileInputStream fstream = new FileInputStream(
					"c:/cygwin/C-large.in");
			// Get the object of DataInputStream
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine;
			// Read File Line By Line
			int i = 0;
			strLine = br.readLine();
			while ((strLine = br.readLine()) != null) {
				pairs.clear();
				// Print the content on the console
				System.out.println(strLine);

				String[] tokens = strLine.split("\\s+");

				System.out.println("Case #"
						+ (++i)
						+ ": "
						+ ReturnCount(Integer.parseInt(tokens[0]),
								Integer.parseInt(tokens[1])));

				out.write("Case #"
						+ (i)
						+ ": "
						+ ReturnCount(Integer.parseInt(tokens[0]),
								Integer.parseInt(tokens[1])) + "\n");

			}
			// Close the input stream
			in.close();
			out.close();

		} catch (Exception e) {// Catch exception if any
			System.err.println("Error: " + e.getMessage());
		}
	}

	static int ReturnCount(int n, int m) {
		HashSet<Integer> cycles = new HashSet();
		for (int i = n; i <= m; i++) {
			// if (!cycles.contains(i))
			cycles.addAll(GetCycles(i, n, m));
		}

		return pairs.size();
	}

	static private HashSet<Integer> GetCycles(int in, int n, int m) {
		String s = String.valueOf(in);
		HashSet<Integer> out = new HashSet<Integer>();
		for (int i = 0; i < s.length(); i++) {
			String sub1 = s.subSequence(0, i + 1).toString();
			String sub2 = s.subSequence(i + 1, s.length()).toString();

			int permutation = Integer.parseInt(sub2 + sub1);
			out.add(permutation);
		}

		for (int i : out)
			if (i >= n && i <= m && i > in) {
				pairs.add(in + "," + i); // return out;
			}

		return out;
	}
}
