import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class Q3M {
	public static void main(String[] args) throws Exception {
		compute();
	}

	private static void compute() throws Exception {
		BufferedReader br = new BufferedReader(new FileReader(new File(
				"C:\\work\\Q3\\C-small-attempt0.in")));
		String line = null;
		int i = Integer.parseInt(br.readLine());
		List l = new ArrayList();
		for (int j = 0; j < i; j++) {
			line = br.readLine();
			String[] nums = line.split(" ");
			l.add(calculate(nums));
		}
		writeOutput(l);
	}

	private static int calculate(String[] nums) {
		int min = Integer.parseInt(nums[0]);
		int max = Integer.parseInt(nums[1]);
		int count = 0;
		List l = new ArrayList();
		for (int i = min; i <= max; i++) {
			for (int times = 1; times < countDigits(i); times++) {
				int res = shiftNum(i, times);
				if (res <= max && i < res) {
					if ((!l.contains((i + ":" + res)))) {
						l.add(i + ":" + res);
						l.add(res + ":" + i);
						count++;
					}
				}
			}
		}
		return count;
	}

	private static boolean checkZeros(int temp, int res) {
		if (temp % 10 == 0 || res % 10 == 0)
			return false;
		return true;
	}

	private static int shiftNum(int n, int times) {
		int base = (int) Math.pow(10, times);
		int temp2 = n / base;
		int placeHolder = (int) Math.pow((double) 10,
				(double) countDigits(temp2));
		int res = placeHolder * (n % base) + temp2;
		if (countDigits(res) == countDigits(n)) {
			return res;
		} else {
			return 2000001;
		}
	}

	public static int countDigits(int x) {
		if (x < 10)
			return 1;
		else {
			return 1 + countDigits(x / 10);
		}
	}

	private static void writeOutput(List l) throws Exception {
		StringBuffer b = new StringBuffer();
		int i = 1;
		BufferedWriter br = new BufferedWriter(new FileWriter(new File(
				"C:\\work\\Q3\\ans.txt")));
		for (Iterator iterator = l.iterator(); iterator.hasNext();) {
			br.write("Case #" + i++ + ": " + iterator.next());
			br.newLine();
		}
		br.close();
	}

}
package tw.csc.gcj;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;

public class Main {

	/**
	 * @param args
	 */
	
	public static String str1 = "abcdefghijklmnopqrstuvwxyz";
	public static String str2 = "ynficwlbkuomxsevzpdrjgthaq";
	public static void main(String[] args) {
		
		try {
			goC();
		} catch (Exception e) {

		}
	}

	public static void goC() throws NumberFormatException, IOException {
		File fin = new File("C-small-attempt0.in");
		File fout = new File("C-small-attempt0.out");		
		BufferedReader br = new BufferedReader(new FileReader(fin));
		FileOutputStream fos = new FileOutputStream(fout);
		int c = Integer.parseInt(br.readLine());
		String op = "";
		for (int i = 0 ; i < c ;i ++ ){
			op+="Case #"+ (i+1)+": ";
			String[] strin = br.readLine().split("[ ]");
			op += test(Integer.parseInt(strin[0]), Integer.parseInt(strin[1])) + "\n";
			
		}
		fos.write(op.getBytes());
		fos.close();
	} 
	
	public static String test(int a , int b){
		String ret = "";
		HashSet<String> set = new HashSet<String>(); 
		for (int n = a ; n <=b ; n++){
			String strn = String.valueOf(n);
			for (int i = 1 ; i < strn.length() ; i ++){
				String strtest = strn.substring(strn.length() - i, strn.length() ) + strn.substring(0 , strn.length() -i);
				int m = Integer.parseInt(strtest);
				if (m > n && m <= b){
					set.add(strn+String.valueOf(m));
				}
			}
			
		}
		
		return ret + set.size();
	}
	
	public static void goA() throws NumberFormatException, IOException {
		HashMap map = new HashMap();
		
		for (int i = 0 ; i < str1.length() ; i ++){
			map.put(str2.charAt(i), str1.charAt(i));
		}
		File fin = new File("A-small-attempt1.in");
		File fout = new File("A-small-attempt1.out");		
		BufferedReader br = new BufferedReader(new FileReader(fin));
		FileOutputStream fos = new FileOutputStream(fout);
		int c = Integer.parseInt(br.readLine());
		String op = "";
		for (int i = 0 ; i < c ;i ++ ){
			op+="Case #"+ (i+1)+": ";
			String strin = br.readLine();
			String strout = "";
			for (int k = 0 ;k < strin.length() ;k ++){
				if (strin.charAt(k) == ' '){
					strout+=" ";
				}
				else{
					strout+= map.get(strin.charAt(k));
				}
			}
			op+=strout+"\n";
		}
		
		
		fos.write(op.getBytes());
		fos.close();
	};
}
