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 codejam;

import java.io.*;

public class RecycledNumbers {

    private BufferedReader br;
    private BufferedWriter wr;
    
    public RecycledNumbers(String filein,String fileout){
        try{
            br = new BufferedReader(new 
                    InputStreamReader(new FileInputStream(filein)));
            wr = new BufferedWriter(new FileWriter(fileout));
            
            int num = 0;
            num = Integer.parseInt(br.readLine());
            
            for (int i = 1;i<=num;i++){
                String buf = br.readLine();
                String[] bufarray = buf.split(" ");
                int num1 = Integer.parseInt(bufarray[0]);
                int num2 = Integer.parseInt(bufarray[1]);
                int pairs = 0;
                for (int n = num1;n <= num2;n++){
                    int digit = getDigits(n);
                    for (int d = 1;d < digit;d++){
                        if (isTwin(n,digit) && d == (digit/2)+1) break;
                        int pair = (n%((int)Math.pow(10, d)))*((int)Math.pow(10, digit-d))+
                                n/((int)Math.pow(10, d));
                        if (pair > n &&
                                pair <= num2){
                            if (num1 > 1000)
                            System.out.println(n+" "+pair);
                            pairs++;
                        }
                    }
                }
                String out = "Case #"+i+": "+pairs;
                wr.write(out);
                if (i != num)
                    wr.newLine();
            }
            
            br.close();
            wr.close();
        }catch (IOException e){
            System.out.println("IO failure");
        }
    }
    
    private boolean isTwin(int n,int digit){
        if (digit%2 == 1) return false;
        
        return (n%(int)Math.pow(10, digit/2) == n/(int)Math.pow(10, digit/2));
    }
    
    private int getDigits(int n){
        int digit = 1;
        while(n/10 != 0){
            digit++;
            n /= 10;
        }
        
        return digit;
    }
    
    public static void main(String[] args) {
        RecycledNumbers sp = new RecycledNumbers("C-small-attempt0.in","C-small-attempt0.out");
    }
}
