import java.io.*;

class code1
{
	public static void main(String args[]) throws Exception 
	{
		File ii = new File ("C-small-attempt1.in");
		FileInputStream fis = new FileInputStream(ii);
		BufferedReader  br = new BufferedReader(new InputStreamReader (fis));
		int cases = Integer.parseInt(br.readLine());
		FileOutputStream fout = new FileOutputStream ("output.txt");
		DataOutputStream dout = new DataOutputStream (fout);
		int total=0;
		for(int i=0;i<cases;i++){
		String temp = br.readLine();
		String parts [] = temp.split(" ");
		int lower = Integer.parseInt(parts[0]);
		int upper = Integer.parseInt(parts[1]);
		System.out.println(lower+" "+upper);
		
		for(int j=lower;j<=upper;j++)
		{
			int abc = j;int length=0;
			if(j<10)continue;
			while (abc!=0){abc/=10;length++;}
			abc=j;
			for(int m=0;m<length-1;m++){
				int shift = abc%10;
				abc=abc/10;
				System.out.println("hi "+j);
				abc=abc+shift*power(10,length-1);
				if(abc<=upper&&shift!=0&&abc>j)total++;
				System.out.println(total);
			}
		}
 		dout.writeBytes("Case #"+(i+1)+ ": "+total+"\n");
 		total=0;
		}//for close
		
	}

	private static int power(int i, int j) {
		int no=1;
		for(int a=0;a<j;a++){no=10*no;}
		return no;
	}
}
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package g.jam_3;

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

//<editor-fold defaultstate="collapsed" desc="files">

/**
 *
 * @author toshiba
 */
public class Gjam_3 {

    static String input = "c:\\Gjam\\3\\small.in";
    static String output = "c:\\Gjam\\3\\output.out";

    public static void main(String[] args) throws FileNotFoundException, IOException {
        output o = new output(output);
        ArrayList<String> input_arr = new input().ReadInput(input);
        for (int j = 0; j < input_arr.size(); j++) {
            String[] t = input_arr.get(j).split(" ");
            int a = Integer.parseInt(t[0]);
            int b = Integer.parseInt(t[1]);
            int result = 0;
            for (int n = a; n <= b; n++) {
                String tmp = String.valueOf(n);
                for (int k = tmp.length()-1; k > 0; k--) {
                    tmp = String.valueOf(n).substring(k, String.valueOf(n).length()) +String.valueOf(n).substring(0, k);
                    int m = Integer.parseInt(tmp);
                    if(m==1111)
                        System.out.print(m);
                    if(m>n&&m<=b&&m!=n)
                        result++;
                }
            }
            o.write("Case #" + (j+1) + ": " + result + "\n");
        }
        o.close();
    }
}
class input {

    public ArrayList<String> ReadInput(String input) throws FileNotFoundException, IOException {
        ArrayList a = new ArrayList();
        BufferedReader str = new BufferedReader(new InputStreamReader(new FileInputStream(input)));
        String s = "";
        str.readLine();
        int x = 0;
        while ((s = str.readLine()) != null) {
            x++;
            a.add(s);
        }
        return a;
    }
}
//<editor-fold defaultstate="collapsed" desc="output">
class output {

    FileWriter fstream;
    BufferedWriter bw;

    public output(String output) throws IOException {
        fstream = new FileWriter(output);
        bw = new BufferedWriter(fstream);
    }

    public void write(String result) throws IOException {
        bw.write(result);
    }

    public void close() throws IOException {
        bw.close();
    }
}
//</editor-fold>
//</editor-fold>
