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 gcj2012;
import java.io.File;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.Scanner;

public class C {
	static String BASEPATH = "x:\\gcj\\";
	static boolean LARGE = false;
	static String INPATH = BASEPATH + C.class.getSimpleName().charAt(0) + (LARGE ? "-large.in" : "-small-attempt0.in");
	static String OUTPATH = INPATH.substring(0, INPATH.length()-3) + new SimpleDateFormat("-HHmmss").format(new Date()) + ".out";
	
	static String INPUT = "";
	
	public void call()
	{
		int A = ni(), B = ni();
		int L = Integer.toString(A).length();
		int d = 1;
		for(int i = 0;i < L;i++)d *= 10;
		int ct = 0;
		int[] q = new int[L];
		for(int i = A;i <= B;i++){
			int p = 0;
			inner:
			for(int j = 10;j <= A;j*=10){
				int k = i%j*(d/j)+i/j;
				if(i < k && k <= B){
					for(int m = 0;m < p;m++){
						if(q[m] == k)continue inner;
					}
					q[p++] = k;
				}
			}
			ct += p;
		}
		out.println(ct);
	}
	
	Scanner in;
	PrintWriter out;
	int cas;
	
	public C(int cas, Scanner in, PrintWriter out)
	{
		this.cas = cas;
		this.in = in;
		this.out = out;
	}
	
	int ni() { return Integer.parseInt(in.next()); }
	long nl() { return Long.parseLong(in.next()); }
	double nd() { return Double.parseDouble(in.next()); }
	void tr(Object... o) { if(INPUT.length() != 0)System.out.println(Arrays.deepToString(o)); }
	
	public static void main(String[] args) throws Exception
	{
		long start = System.currentTimeMillis();
		boolean real = INPUT.isEmpty();
		
		if(real){
			System.out.println("INPATH : " + INPATH);
			System.out.println("OUTPATH : " + OUTPATH);
		}
		Scanner in = real ? new Scanner(new File(INPATH)) : new Scanner(INPUT);
		PrintWriter out = real ? new PrintWriter(new File(OUTPATH)) : new PrintWriter(System.out);
		int n = in.nextInt();
		in.nextLine();
		
		for(int i = 0;i < n;i++){
			out.printf("Case #%d: ", i+1);
			new C(i+1, in, out).call();
			out.flush();
			if(real)System.err.println("case " + (i + 1) + " solved.\t");
		}
		
		long end = System.currentTimeMillis();
		System.out.println((end - start) + "ms");
		if(real){
			System.out.println("INPATH : " + INPATH);
			System.out.println("OUTPATH : " + OUTPATH);
		}
	}
}
