/*
 * 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.*;
import static java.lang.Math.*; 
import static java.math.BigInteger.*; 
import static java.util.Arrays.*; 
import static java.util.Collections.*; 
import java.math.*; 
import java.util.*;

import static java.lang.Math.*;
public class RecycledNumbers {
	public static void main (String [] args) throws IOException {
		String[]filename="test A-small A-large B-small B-large C-small C-large D-small D-large".split(" ");
		////////////////// 0      1       2       3       4       5       6       7       8
		String fn=filename[6];
		f = new BufferedReader(new FileReader(fn+".in"));
		PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(fn+".out")));
		
		nl();
		int[]p10=new int[]{1,10,100,1000,10000,100000,1000000,10000000};
		int t = ip(tk());
		for (int i = 0; i < t; i++) {
			nl();
			boolean[]mark=new boolean[2000001];
			int a = ip(tk()),b=ip(tk());
			int res=0;
			int bitcnt=1;
			for (int j = 1;j<p10.length; j++) {
				if(a>=p10[j])bitcnt=j+1;
			}
			for (int j = a; j <= b; j++) {
				if(mark[j])continue;
				if(j>=p10[bitcnt])bitcnt++;
				int cur=j;
				int cnt=0;
				for (int k = 0; k < bitcnt; k++) {
					if(cur>=p10[bitcnt-1]&&cur>=a&&cur<=b&&mark[cur]==false){
						mark[cur]=true;
						cnt++;
					}
					int next=cur%10*p10[bitcnt-1]+cur/10;
					cur=next;
				}
				if(cnt>=2){
					res+=cnt*(cnt-1)/2;
				}
			}
			out.println("Case #"+(i+1)+": "+res);
		}
		
		out.close();
		System.exit(0);
	}
	static BufferedReader f;
	static StringTokenizer st;
	static void nl() throws IOException
	{
		st = new StringTokenizer(f.readLine());
	}
	static String tk()
	{
		return st.nextToken();
	}
	static void fill(Object array,int val){
		if(array instanceof int[])Arrays.fill((int[])array,val);
		else for(Object o:(Object[])array)fill(o,val);
	}
    //static String min(String a,String b){return a.compareTo(b)<0?a:b;}
	static int ip(String s){return Integer.parseInt(s);}
	static long lp(String s){return Long.parseLong(s);}
	static int inf=Integer.MAX_VALUE/2;
	static int gcd(int a,int b){return b==0?a:gcd(b,a%b);}
	static boolean isPrime(int number)
    {
    	if (number < 2) return false;
    	if (number == 2) return true;
    	if (number % 2 == 0) return false;
    	for (int i = 3; i * i <= number; i += 2)
    		if (number % i == 0) return false;
    	return true;
    }
	static public class Comp implements Comparable<Comp> {
        public int compareTo(Comp other) {// myself first asc
            if (len == other.len)
                return str.compareTo(other.str);// myself first asc
            return other.len - len;// other first desc
        }

        int len;
        String str;
        public Comp(int len, String str) {
            super();
            this.len = len;
            this.str = str;
        }
    }
}
