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

/**
 *
 * @author jgao
 */
public class CodeJamC {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        String file = "C-small-attempt0.in";
        List<String> input;
        try {
            input = readFile(file);
        } catch(Exception e) {
            return;
        }
        
        boolean[][] mat = recycleMatrix(0,1000);
        
        for (int i=1; i<input.size(); i++) {
            System.out.print("Case #"+i+": ");
            
            String[] strs = input.get(i).split(" ");
            int A = Integer.parseInt(strs[0]);
            int B = Integer.parseInt(strs[1]);
            
            int count = 0;
            for (int n=A; n<B; n++) {
                for (int m=n+1; m<=B; m++) {
                    if (mat[n][m]) {
                        count++;
                    }
                }
            }
            
            System.out.println(count);
        }
    }
    
    public static List<String> readFile(String file) throws Exception {
        List<String> content = new ArrayList<String>();
        BufferedReader in = new BufferedReader(new FileReader(file));
        for (String line=in.readLine(); line!=null; line=in.readLine()) {
            content.add(line);
        }
        in.close();
        return content;
    }
    
    public static boolean[][] recycleMatrix(int n, int m) {
        boolean[][] res = new boolean[m-n+1][m-n+1];
        for (int i=n; i<m; i++) {
            for (int j=i+1; j<=m; j++) {
                res[i-n][j-n] = isRecycle(i,j);
            }
        }
        return res;
    }
    
    public static boolean isRecycle(int x, int y) {
        String strX = Integer.toString(x);
        String strY = Integer.toString(y);
        
        for (int i=1; i<strX.length(); i++) {
            String strXRotate = strX.substring(i)+strX.substring(0, i);
            if (strXRotate.compareTo(strY)==0)
                return true;
        }
        
        return false;
    }
}
