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 contest;

import java.io.BufferedReader;

import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.StringTokenizer;
import java.util.Set; 
import java.util.HashSet;

public class RecycledNumbers {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		
		try {
			
			int T = Integer.parseInt(in.readLine());
			for (int tc = 0; tc<T; tc++) { 
				String testCase = in.readLine();
				StringTokenizer st = new StringTokenizer(testCase); 
				
				int A = Integer.parseInt(st.nextToken()); 
				int B = Integer.parseInt(st.nextToken());
				
				Map<Integer, Set<Integer>> map = new HashMap<Integer, Set<Integer>>();
				
				int count = 0;
				for (int n=A; n<=B; n++) { 
					List<Integer> list = getRecList(n);
					for (int m: list) { 
						if (m<=B && n<m) { 
							if (map.containsKey(n)) {
								if (map.get(n).contains(m)) { 
									//this pair already exists, skip
								}
								else { 
									map.get(n).add(m);
									count++;
								}
								
							} else { 
								Set<Integer> s = new HashSet<Integer>(); 
								s.add(m);
								map.put(n, s);
								count++;
							}
//							System.out.println("(" +n+ "," + m + ")");//testing
						}
					}
				}
				System.out.println("Case #" + (tc+1) + ": " + count);
			}
		} catch (IOException e) {
			e.printStackTrace();
		}

	}
	
	private static List<Integer> getRecList(int n) { 
		List<Integer> ret = new ArrayList<Integer>(); 

		String str = Integer.toString(n);
		
//		System.out.println("processing " + n); //testing
		for (int i = str.length()-1; i>0;i--) { 
			ret.add(Integer.parseInt(str.substring(i, str.length()) + str.substring(0, i)));
//			System.out.println("adding: " + Integer.parseInt(str.substring(i, str.length()) + str.substring(0, i)));//testing
		}
		
		return ret;
	}
	
	

}
