/*
 * 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.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.io.StreamTokenizer;
import java.util.HashSet;


public class Recycled {

	public static void main(String[] args) throws Exception {
		Recycled object = new Recycled();
		object.solve(object.getClass().getSimpleName().toLowerCase());
		}	
	
	public HashSet<Long> hash;
	public int powersOfTen[];

		private void solve(String filePrefix) throws Exception {
			
			StreamTokenizer st = new StreamTokenizer(new BufferedReader(new FileReader(filePrefix + ".in")));
			PrintWriter pw = new PrintWriter(new FileWriter(filePrefix + ".out"));
			
			st.nextToken();
			int testsCount = (int) st.nval;			
			
			for (int tc=0; tc<testsCount; tc++)
			{
				st.nextToken();
				int a = (int) st.nval;
				
				st.nextToken();
				int b = (int) st.nval;
				
				int digits = 0;
				int temp = a;
				
				while (temp > 0)
				{
					temp /= 10;
					digits++;
				}
				
				powersOfTen = new int[digits];
				powersOfTen[0] = 1;
				
				for (int i=1; i<powersOfTen.length; i++)
					powersOfTen[i] = powersOfTen[i-1]*10;
				
				hash = new HashSet<Long>();
				
				for (int n=a; n<b; n++)
				{
					generate(a, b, n, digits);					
				}								
														
				pw.write("Case #" + (tc+1) + ": " + hash.size() + "\n");
			}
			
			pw.flush();
			pw.close();			
		}

		private void generate(int a, int b, int n, int digits) {
			
			for (int take=1; take<digits; take++)
			{
				int first = n / powersOfTen[take];
				int last = n % powersOfTen[take];
				
				int m = last * powersOfTen[digits-take] + first;
				
				if (m <= n)
					continue;
				
				if (m < a || m > b)
					continue;
				
				long encoded = (n+0L) << 30L;
				encoded += m;
				
				if (encoded < 0)
					throw new RuntimeException();
				
				hash.add(encoded);
			}			
		}
}
