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 googlecodejam;

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

public class Qualification_C {

	private static String inFile = "C://CodeJam/QCin.txt";
	private static String outFile = "C://CodeJam/QCout.txt";
	private static BufferedWriter writer;

	public static void main(String[] args) {
		try{
			writer = new BufferedWriter(new FileWriter(outFile));
			readInput();
			writer.close();
		}catch(Exception e){
			e.printStackTrace();
		}
	}
	
	private static void readInput(){
		try{
			FileInputStream fstream = new FileInputStream(inFile);
			// Get the object of DataInputStream
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine;
			
			// test num
			strLine = br.readLine();
			int numTest = Integer.parseInt(strLine);
			
			for (int i = 0; i<numTest; i++){
				strLine = br.readLine();
				String[] num = strLine.split(" ");
				int a = Integer.parseInt(num[0]);
				int b = Integer.parseInt(num[1]);
				int count = 0;
				for (int j=a; j<b; j++){
					String str = Integer.toString(j);
					HashSet<Integer> list = swap(str);
					for (int x : list){
						if (x >j && x<=b){
							count ++;
						}
					}
				}
				println("Case #" + (i+1) + ": " + count);
			}
			
			//Close the input stream
			in.close();
		}catch (Exception e){
			e.printStackTrace();
		}
	}

	private static HashSet<Integer> swap(String str){
		HashSet<Integer> list = new HashSet<Integer>();
		for (int i=1; i<str.length(); i++){
			String x = str.substring(i, str.length()) + str.substring(0, i);
			list.add(Integer.parseInt(x));
		}
		return list;
	}

	public static void println(String msg) throws IOException {
		System.out.println(msg);
        writer.write(msg);
		writer.newLine();   // Write system dependent end of line.
    }
}
