import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

class RecycledNumbers{
	
	
	
	int getcount(int small,int large){
		int count = 0;
		for(int currnum = small; currnum < large; currnum++){
			int permut = currnum;
			int no_of_digits = 0;
			while(permut > 0){
				permut = permut/10;
				no_of_digits++;
			}
			int lastDigit = currnum % 10;
			permut = currnum / 10;
			permut = permut + lastDigit * (int)Math.pow(10, no_of_digits-1);
			while(permut != currnum){
				
				if(permut >= currnum && permut <= large){
					
					count++;
				}
				lastDigit = permut % 10;
				permut = permut / 10;
				permut = permut + lastDigit * (int)Math.pow(10, no_of_digits-1);
				
			}
			
		}
		
		return count;
	}
	
	public static void main(String args[]){
		RecycledNumbers d = new RecycledNumbers();
		
		int no_of_cases = 0;
		String input = "";
		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		try{
			no_of_cases = Integer.parseInt(br.readLine());
		}
		catch(Exception e){
			System.out.println("First line is not a number");
		}
		
		for(int i=1; i <= no_of_cases;i++){
			try{
				input = br.readLine();
			}
			catch(Exception e){
				System.out.println("Number of test cases different from the number mentioned in first line");
			}
			
			System.out.print("Case #" +i+": ");
			
			StringTokenizer t =  new StringTokenizer(input);
			int small=0,large=0;
			if(t.hasMoreTokens()){
				small = Integer.parseInt(t.nextToken());
			}
			if(t.hasMoreTokens()){
				large = Integer.parseInt(t.nextToken());
			}
			System.out.println(d.getcount(small,large));
			
		}
		
		
		

	}
	
	
}
package inam.qual;

import java.io.File;
import java.io.FileInputStream;
import java.io.PrintStream;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class C {
    public void go() {
        Scanner in = new Scanner(System.in);
        int cc = in.nextInt();
        for (int c = 1; c <= cc; c++) {
            int val = 0;
            int a = in.nextInt();
            int b = in.nextInt();
            Set<String> set = new HashSet<String>();
            for (int i = a; i <= b; i++) {
                String str = String.valueOf(i);
                for (int j = 1; j < str.length(); j++) {
                    String re = str.substring(j, str.length()) + str.substring(0, j);
                    if (str.equals(re) || re.startsWith("0") || Integer.parseInt(re) > b || a > Integer.parseInt(re)) {
                        continue;
                    }
                    String key = "";
                    if (Integer.parseInt(str) < Integer.parseInt(re)) {
                        key = str + " " + re;
                    } else {
                        key = re + " " + str;
                    }
                    set.add(key);
                }
            }
            val = set.size();
            System.out.println("Case #" + c + ": " + val);
        }
    }
    public static void main(String[] args) {
        try {
            String p = "C-small";
            String r = "qual";
            System.setIn(new FileInputStream(new File(r, p + ".in")));
            if (1 == 1) {
                System.setOut(new PrintStream(new File(r, p + ".out")));
            }
            new C().go();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
