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 com.codejam;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Scanner;

public class CodeJam13 {
	char map[];

	public static void main(String[] args) {
		Scanner fileIn = null;
		FileWriter fileOut = null;

		try {
			fileIn = new Scanner(new File("input.txt"));
			fileOut = new FileWriter(new File("output.in"));
			int noOfTestCases = Integer.parseInt(fileIn.nextLine());

			int testCase = 0;
			while (fileIn.hasNextLine()) {
				testCase++;
				int count=0;
				
				String sa = fileIn.next();
				int len = sa.length();
				int factor = (int)Math.pow(10,len-1);
				int a = Integer.parseInt(sa);
				int a1=a;
				int b = fileIn.nextInt();
				fileIn.nextLine();
				
				while(a1<=b){
					HashSet set = new HashSet();
					for(int i=0;i<len-1;i++){						
						int newA = (a%10)*factor + a/10;					
						set.add(a1);						
						if(newA<factor){
							
						}
						else if(newA>=a1 && newA<=b){
							if(set.add(newA)){
								count++;
							}
						}						
						a=newA;					
					}
					//System.out.println(a1 + "   " + count);
					a=++a1;
				}
							
				fileOut.write("Case #" + testCase + ": " + count
						+ "\n");
			}
			fileIn.close();
			fileOut.close();
		} catch (IOException ex) {
			System.out.println(ex.getMessage());
		}
	}

}
