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.HashSet;
import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;

public class ReadFile {
	public static void main(String[] args) throws Exception {
		String srcFile = "C:" + File.separator + "Documents and Settings"
				+ File.separator + "rohit" + File.separator + "My Documents"
				+ File.separator + "Downloads" + File.separator
				+ "C-small-attempt1.in.txt";
		String destFile = "C:" + File.separator + "Documents and Settings"
				+ File.separator + "rohit" + File.separator + "My Documents"
				+ File.separator + "Downloads" + File.separator
				+ "C-small-attempt0.out";
		File file = new File(srcFile);
		List<String> readData = new ArrayList<String>();
		FileReader fileInputStream = new FileReader(file);
		BufferedReader bufferedReader = new BufferedReader(fileInputStream);
		StringBuilder stringBuilder = new StringBuilder();
		String line = null;
		while ((line = bufferedReader.readLine()) != null) {
			readData.add(line);
		}
		stringBuilder.append(generateOutput(readData));
		File writeFile = new File(destFile);
		if (!writeFile.exists()) {
			writeFile.createNewFile();
		}
		FileWriter fileWriter = new FileWriter(writeFile);
		BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
		bufferedWriter.write(stringBuilder.toString());
		bufferedWriter.close();
		System.out.println("output" + stringBuilder);
	}

	/**
	 * @param number
	 * @return
	 */
	private static String generateOutput(List<String> number) {
		StringBuilder stringBuilder = new StringBuilder();
		for (int i = 0; i < number.size(); i++) {
			if (i == 0) {
				continue;
			} else {
				String tempString = number.get(i);
				String[] temArr = tempString.split(" ");
				stringBuilder.append("Case #" + i + ": ");
				stringBuilder.append(getRecNumbers(temArr[0], temArr[1]));
				stringBuilder.append("\n");
			}
		}
		if (stringBuilder.length() > 0) {
			stringBuilder.deleteCharAt(stringBuilder.length() - 1);
		}
		return stringBuilder.toString();
	}

	// /* This method accepts method for google code jam */
	// private static String method(String value) {
	// int intValue = Integer.valueOf(value);
	// double givenExpr = 3 + Math.sqrt(5);
	// double num = Math.pow(givenExpr, intValue);
	// String valArr[] = (num + "").split("\\.");
	// int finalVal = Integer.valueOf(valArr[0]) % 1000;
	//
	// return String.format("%1$03d", finalVal);
	//
	// }
	//
	// /* This method accepts method for google code jam */
	// private static String method2(String value) {
	// StringTokenizer st = new StringTokenizer(value, " ");
	// String test[] = value.split(" ");
	// StringBuffer str = new StringBuffer();
	//
	// for (int i = 0; i < test.length; i++) {
	// // test[i]=test[test.length-i-1];
	// str.append(test[test.length - i - 1]);
	// str.append(" ");
	// }
	// str.deleteCharAt(str.length() - 1);
	// String strReversedLine = "";
	//
	// while (st.hasMoreTokens()) {
	// strReversedLine = st.nextToken() + " " + strReversedLine;
	// }
	//
	// return str.toString();
	// }

	private static int getRecNumbers(String no1, String no2) {

		int a = Integer.valueOf(no1);
		int b = Integer.valueOf(no2);
		Set<String> dupC = new HashSet<String>();
		for (int i = a; i <= b; i++) {
			int n = i;
			List<String> value = findPerm(n);
			for (String val : value) {
				if (Integer.valueOf(val) <= b && Integer.valueOf(val) >= a
						&& n < Integer.valueOf(val)) {
					dupC.add(n + "-" + val);
				}
			}
		}
		return dupC.size();
	}

	private static List<String> findPerm(int num) {
		String numString = String.valueOf(num);
		List<String> value = new ArrayList<String>();
		for (int i = 0; i < numString.length(); i++) {
			String temp = charIns(numString, i);
			if (!temp.equalsIgnoreCase(numString)) {
				value.add(charIns(numString, i));
			}
		}
		return value;

	}

	public static String charIns(String str, int j) {
		String begin = str.substring(0, j);
		String end = str.substring(j);
		return end + begin;
	}
}
package main;

import java.util.Vector;
import java.io.*;

public class RecycledNumbers {
	
	static int numberOfElementForEachTest = 2;
	static int numberOfLinesPerTest = 0;
	
	public static void main(String[] args) {
		Vector<Integer> elements = new Vector<Integer>();
		numberOfElementForEachTest = 0;
		
		Reader.setFile("input.txt");
		Writer.setFile("output.txt");
		
		String s = Reader.readLine();
		int numberTest = Integer.parseInt(s);
		
		for (int i=0; i<numberTest; i++) {
			numberOfElementForEachTest = 0;
			elements = new Vector<Integer>();
			
			s = Reader.readLine();
			String s1 = s.substring(0, s.indexOf(" "));
			s=s.substring(s.indexOf(" ")+1);
			
			int numberOfDigits = s1.length();
			int[] digits = new int[numberOfDigits];
			int firstNumber = Integer.parseInt(s1);
			int secondNumber = Integer.parseInt(s);
			
			int result = 0;
			switch (numberOfDigits)
			{
			case 1:
				break;
			case 2:
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10 + n1%10*10;
					if (n2>n1 && n2<=secondNumber) result++;
				}
				break;
			case 3:
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/100 + n1%100*10;
					if (n2>n1 && n2<=secondNumber) result++;
					
					n2 = n1/10 + n1%10*100;
					if (n2>n1 && n2<=secondNumber) result++;
				}
				break;
			case 4:
//				System.out.println(System.currentTimeMillis());
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/1000 + n1%1000*10;
					if (n2>secondNumber) n1 = (n1/1000 + 1) *1000; 
					else if (n2>n1) {
						result++;
					}
				}

				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/100 + n1%100*100;
					if (n2>secondNumber) n1 = (n1/100 + 1) *100; 
					else if (n2>n1) {
						result++;
					}
				}
				
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10 + n1%10*1000;
					if (n2>secondNumber) n1 = (n1/10 + 1) *10; 
					else if (n2>n1) {
						result++;
						if (n1/1000 == n1%100/10 && n1%1000/100 == n1%10) result--;
					}
				}
//				System.out.println(System.currentTimeMillis());
				break;
			case 5:
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10000 + n1%10000*10;
					if (n2>secondNumber) n1 = (n1/10000 + 1) *10000; 
					else if (n2>n1) {
						result++;
					}
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/1000 + n1%1000*100;
					if (n2>secondNumber) n1 = (n1/1000 + 1) *1000; 
					else if (n2>n1) {
						result++;
					}
				}

				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/100 + n1%100*1000;
					if (n2>secondNumber) n1 = (n1/100 + 1) *100; 
					else if (n2>n1) {
						result++;
					}
				}
				
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10 + n1%10*10000;
					if (n2>secondNumber) n1 = (n1/10 + 1) *10; 
					else if (n2>n1) {
						result++;
					}
				}
				break;
			case 6:
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/100000 + n1%100000*10;
					if (n2>secondNumber) n1 = (n1/100000 + 1) *100000; 
					else if (n2>n1) {
						result++;
					}
//					if (n2>n1 && n2<=secondNumber) result++;
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10000 + n1%10000*100;
					if (n2>secondNumber) n1 = (n1/10000 + 1) *10000; 
					else if (n2>n1) {
						result++;
					}
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/1000 + n1%1000*1000;
					if (n2>secondNumber) n1 = (n1/1000 + 1) *1000; 
					else if (n2>n1) {
						result++;
						if (n1/100000 == n1%10000/1000 &&
								n1%10000/1000 == n1%100/10 &&
								n1%100000/10000 == n1%1000/100 &&
								n1%1000/100 == n1%10) result-=2;
					}
				}

				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/100 + n1%100*10000;
					if (n2>secondNumber) n1 = (n1/100 + 1) *100; 
					else if (n2>n1) {
						result++;
					}
				}
				
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10 + n1%10*100000;
					if (n2>secondNumber) n1 = (n1/10 + 1) *10; 
					else if (n2>n1) {
						result++;
					}
				}
				break;
			case 7:
//				System.out.println(System.currentTimeMillis());
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/1000000 + n1%1000000*10;
					if (n2>secondNumber) n1 = (n1/1000000 + 1) *1000000; 
					else if (n2>n1) {
						result++;
					}
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/100000 + n1%100000*100;
					if (n2>secondNumber) n1 = (n1/100000 + 1) *100000; 
					else if (n2>n1) {
						result++;
					}
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10000 + n1%10000*1000;
					if (n2>secondNumber) n1 = (n1/10000 + 1) *10000; 
					else if (n2>n1) {
						result++;
					}
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/1000 + n1%1000*10000;
					if (n2>secondNumber) n1 = (n1/1000 + 1) *1000; 
					else if (n2>n1) {
						result++;
					}
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/100 + n1%100*100000;
					if (n2>secondNumber) n1 = (n1/100 + 1) *100; 
					else if (n2>n1) {
						result++;
					}
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10 + n1%10*1000000;
					if (n2>n1 && n2<secondNumber) {
						result++;
					}
				}
//				System.out.println(System.currentTimeMillis());
				break;
				
			}
			
			
			Writer.writeln("Case #" + (i+1) + ": " + result);
			 
		}
		Writer.close();

	}
	
	public static final class Reader 
	{
		static BufferedReader in;
		
		public static void setFile(String fichier) {
			File file = new File(fichier);
			try {
				in =  new BufferedReader(new FileReader(file));
			} catch (FileNotFoundException e) {
			}
		}

		public static String readLine() {
			String line = null;
			try {
				line =  in.readLine();
			}
			catch (IOException e) {}
			
			return line;
		}
		
		public static String readAll() {
			String text = "";
			String line = "";
			while (line != null) {
				try {
					line = in.readLine();
				} 
				catch (IOException e) {
				}
				if (line != null) text += line + "\n";
			}
			return text;
		}
	}
	
	public static final class Writer 
	{
		static BufferedWriter out;
		
		public static void setFile(String file) {
			try{
				FileWriter fstream = new FileWriter(file);
				out = new BufferedWriter(fstream);
			}
			catch (Exception e){}
		}
		
		public static void write(String ligne) {
			try {
				out.write(ligne);
			}
			catch (Exception e){}
		}
		public static void writeln(String ligne) {
			try {
				out.write(ligne);
				out.write("\n");
			}
			catch (Exception e){}
		}

		public static void close() {
			try {
				out.close();
			}
			catch (Exception e){}
		}
	}
		
}
