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 jamo;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class RecycledNumbers {

	public static void main(String[] args) {
		List<String> lines = readFromFile("rnumbers.txt");
		int number = Integer.parseInt(lines.get(0));
		int a = 0;
		int b = 0;

		for (int i = 1; i <= number; i++) {
			String[] a_b = lines.get(i).split(" ");
			a = Integer.parseInt(a_b[0]);
			b = Integer.parseInt(a_b[1]);

			System.out.println( "Case #"+i+": "+checkPair(a, b));

		}

	}

	public static int sumOfDigits(Integer number) {
		int sum = 0;
		String n = number.toString();
		char[] digits = n.toCharArray();
		for (int i = 0; i < digits.length; i++) {

			sum += Integer.parseInt(Character.toString(digits[i]));
		}

		return sum;
	}

	public static boolean same(String a, String b) {
		char[] _a = a.toCharArray();
		char[] _b = b.toCharArray();
		if (_a.length != _b.length) {
			return false;

		}
		Arrays.sort(_a);
		Arrays.sort(_b);
		String a_ = new String(_a);
		String b_ = new String(_b);

		return a_.equals(b_);
	}

	public static List<Integer> iterations(Integer a) {
		char[] a_ = a.toString().toCharArray();

		List<Integer> out = new ArrayList<Integer>();
		String start = new String(a_);

		for (int i = 0; i < a_.length; i++) {
			if (out.contains(Integer.parseInt(start))) {

			} else {
				out.add(Integer.parseInt(start));
				start = next(start);
			}

		}

		return out;
	}

	public static String next(String val) {
		char[] a_ = val.toCharArray();
		char[] x = new char[a_.length];
		for (int i = 1; i < a_.length; i++) {
			x[i - 1] = a_[i];
		}
		x[a_.length - 1] = a_[0];
		return new String(x);
	}

	public static int nextPair(Integer a) {
		char[] a_ = a.toString().toCharArray();
		char[] x = new char[a_.length];
		for (int i = 1; i < a_.length; i++) {
			x[i - 1] = a_[i];
		}
		x[a_.length - 1] = a_[0];
		return Integer.parseInt(new String(x));
	}

	public static int checkPair(int a, int b) {
		int pairs = 0;
		int previ = 0;
		int prevnext = 0;
		int next = 0;
		if (b < 10)
			return 0;
		for (int i = a; i <= b; i++) {
			List<Integer> its = iterations(i);
			for (int j = 0; j < its.size(); j++) {
				next = its.get(j);
				if (next <= b && next > i) {
					 
					pairs += 1;
				}
				prevnext = next;

			}
			previ = i;

		}
		return pairs;
	}

	public static List<String> readFromFile(String filename) {
		List<String> lines = new ArrayList<String>();
		try {
			FileInputStream fstream = new FileInputStream(filename);
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine;
			while ((strLine = br.readLine()) != null) {
				lines.add(strLine);
				// System.out.println(strLine);
			}

			in.close();
		} catch (Exception e) {
			System.err.println("Error: " + e.getMessage());
		}

		return lines;
	}

}
