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 googleCodeJam;

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

public class firstExercise {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		try{
			FileInputStream fstream = new FileInputStream("C-small-attempt3.in");
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			
			FileWriter fstream2 = new FileWriter("out.txt");
			BufferedWriter out = new BufferedWriter(fstream2);
			
			String strLine;
			int j=0;
		
			strLine = br.readLine();
			
			while ((strLine = br.readLine()) != null)   {
				ArrayList<String> line = new ArrayList<String>();
				String[] s = strLine.split(" ");
				int i =0;
				for(;i<s.length;){
					line.add(s[i++]);
				}  
				
				int n1 = Integer.parseInt(line.get(0));
				int n2 = Integer.parseInt(line.get(1));
				int nr = 0;
				
				for(int k = n1; k<=n2; k++)
				{ 
					int temp1=k,temp2,nr_temp=0;
					int nr_sh = (int)Math.log10(k);
					do{
						if((temp1>=n1) && (temp1<=n2)) 
							nr_temp++;
						temp2=temp1%10;
						temp1/=10;
						temp1+=temp2*Math.pow(10,nr_sh);
					}while(temp1!=k);
					if(nr_temp>1) 
						nr=nr+nr_temp-1;
				}
				
				
					
					
				//shkrimi i rezultatit	
					
				out.write("Case #"+(++j)+": "+nr/2+" \n");
				
				
				//System.out.println(strLine);
								
				
			}
			//System.out.println(vec.size()+vec.toString());
		    in.close();
		    out.close();
		}
		catch (Exception e){//Catch exception if any
			System.err.println("Error: " + e.getMessage());
		}
	}	
}
