import java.util.Scanner;
import java.io.*;
import java.lang.Math;


public class C{
	public static int recycle(String str){
		String[] numbers = str.split(" ");
		int min = Integer.parseInt(numbers[0]);
		int max = Integer.parseInt(numbers[1]);
		int ret = 0;

		for(int i = min; i < max; i++){
			String num = i + "";
			int len = num.length();
			int k = i;
			for(int j = 1; j < len; j++){
				k = (k/10) + (int)java.lang.Math.pow(10.0,(double)(len-1))*(k%10);
				if (k > i && k <= max)
					ret++;
				else if(k == i)
					break;
			}
		}

		return ret;
	}

	public static void main(String[] args){
		Scanner sc = null;
		String next;
		int out;
		try{
			sc = new Scanner(new File("C-large.in"));
			int cases = Integer.parseInt(sc.nextLine());
			int current = 0;
			

			FileWriter fs = new FileWriter("output.txt");
			BufferedWriter buff = new BufferedWriter(fs);
			while(current < cases){
				next = sc.nextLine();
				current++;
				out = recycle(next);
				buff.write("Case #" + current + ": " + out + "\n");
			}
			buff.close();
		}
		catch(Exception ex){}
	}
}
package com.google.round.qualification;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class ProblemC {

	/**
	 * 
	 * 
	 * @param args
	 * @throws IOException 
	 * @throws NumberFormatException 
	 */
	public static void main(String[] args) throws NumberFormatException, IOException {
		
		String fileName = "C-large";

		BufferedReader br = new BufferedReader(new FileReader("C:\\GoogleCodeJam\\"+fileName+".in"));
		BufferedWriter bw = new BufferedWriter(new FileWriter("C:\\GoogleCodeJam\\"+fileName+".out"));
		int noofcases = Integer.parseInt(br.readLine());
		for(int i=1;i<=noofcases;i++)
		{
			bw.write("Case #");
			bw.write(i+"");
			bw.write(": ");
			bw.write(findDistinctivePairs(br.readLine()));
			bw.newLine();
		}
		
		bw.flush();
		try
		{
			if(bw != null)
				bw.close();
			if(br != null)
				br.close();
		}
		catch(Exception e)
		{
			// ignore
		}
		

	}
	
	private static String findDistinctivePairs(String readLine) {
		String[] range = readLine.split(" ");
		int start = Integer.parseInt(range[0]);
		int end = Integer.parseInt(range[1]);
		int count =0;
		for(int i=start;i<=end;i++)
		{
			count = count + permutation(i+"",end,i);
		}
		return count+"";
	}

	private static int permutation(String str,int endNumber,int currentNumber)
	{
		int count=0;
		char[] letters = str.toCharArray();
		for(int maxit=1;maxit<letters.length;maxit++)
		{
			shiftRight(letters,1); // 112 121 211
			String permutedStr = new String(letters);
			int permutedInt = Integer.parseInt(permutedStr);
			if(permutedInt > currentNumber && permutedInt <=endNumber)
			{
				count++;
			}
		}
	
		return count;
		
	}

	public static void shiftRight(char[] array, int amount) {
		
	    for (int j = 0; j < amount; j++) {
	            char a = array[array.length - 1];
	            int i;
	            for (i = array.length - 1; i > 0; i--)
	                    array[i] = array[i - 1];
	            array[i] = a;
	    }
	   
	}
	
	

}
