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 codejam;

import java.awt.List;
import java.io.*;
import java.util.ArrayList;
import java.util.Vector;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author user
 */
public class CodeJam {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        FileReader fin = null;
        FileWriter fout = null;
        ArrayList<String> ar = new ArrayList<>();
        java.util.List<String> kr;
        try {
            fin = new FileReader("input.txt");
            fout = new FileWriter("Output.txt");
            BufferedWriter out = new BufferedWriter(fout);
            BufferedReader in = new BufferedReader(fin);
            int t;
            t = Integer.parseInt(in.readLine());
            int j = 0,A,B;
            String[] k;
            while (t > j) {
                
                int count = 0;
                ar.clear();
                k = in.readLine().split(" ");
                A = Integer.parseInt(k[0]);
                B = Integer.parseInt(k[1]);
                
                for (int i = A; i <= B; i++) {
                    ar.add(Integer.toString(i));
                }
                
                StringBuilder n;
                
                for (int m = 1; m < ar.size(); m++) {
                    
                    ArrayList<String> li = new ArrayList<>();
                    n = new StringBuilder(ar.get(m));
                    char c;
                    for (int i = 0; i < n.length(); i++) {
                        li.add(n.toString());
                        c = n.charAt(0);
                        n.deleteCharAt(0);
                        n.append(c);
                    }
                    
                    kr = ar.subList(0, m-1);
                    
                    for (int i = 0; i < li.size(); i++) {
                        if (kr.contains(li.get(i))) {
                            count ++;
                        }
                    }
                }
                out.write("Case #" + (j + 1) + ": " + count + "\n");
                out.flush();
                j ++;
            }
        } catch (IOException ex) {
            Logger.getLogger(CodeJam.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                fin.close();
                fout.close();
            } catch (IOException ex) {
                Logger.getLogger(CodeJam.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
            
    }
}
