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 net.anzix.learn.codejam.qr12;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Scanner;
import java.util.Set;

public class RecycledNumbers {

	private InputStream input;
	private PrintStream output;

	public RecycledNumbers() {

	}

	public RecycledNumbers(InputStream input, PrintStream output) {
		super();
		this.input = input;
		this.output = output;
	}

	public RecycledNumbers(File inputFile, File outputFile) throws Exception {
		this.input = new FileInputStream(inputFile);
		output = new PrintStream(outputFile);

	}

	public void run() throws Exception {
		Scanner scanner = new Scanner(input);
		int lines = scanner.nextInt();
		for (int i = 0; i < lines; i++) {
			int from = scanner.nextInt();
			int to = scanner.nextInt();

			output.println("Case #" + (i + 1) + ": " + calcNo(from, to));
		}
		output.close();
	}

	public static void main(String[] args) {
		try {
			new RecycledNumbers(new File(args[0]), new File(args[1]))
					.run();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public int calcNo(int from, int to) {
		int res = 0;
		Set<String> s = new HashSet();
		for (int m = from; m <= to; m++) {
			for (int p : convertedNumbers(m)) {
				if (p > m && p <= to) {
					if (s.contains(m + " " + p)) {
						System.out.println(m + " " + p + " " + from + " " + to);
					}
					s.add(m + " " + p);

					res++;
				}
			}
		}
		return res;
	}

	public Set<Integer> convertedNumbers(int original) {
		int digits = (int) Math.ceil(Math.log10(original));
		if (digits < 1) {
			return new HashSet<Integer>();
		}
		int pow = (int) Math.pow(10, digits - 1);
		int l = pow;
		int s = 10;
		Set<Integer> res = new HashSet<Integer>();
		for (int i = 0; i < digits - 1; i++) {
			if (original % s != 0) {
				int x = (original % s) * pow + original / s;
				if (x != original && x > l) {
					res.add(x);
				}
			}
			s *= 10;
			pow /= 10;
		}
		return res;
	}
}
