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;
	}
}
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class recycled {
	
	static int f_recycled(String s_min,String s_max){
		  int num_recycled=0;
		  int min=Integer.parseInt(s_min);
		  int max=Integer.parseInt(s_max);
		  
		  //System.out.println("______________________________________\nNúmeros reciclados entre "+s_min+" y "+s_max);
		  
		  if (max>10){

			  int cab_max=s_max.charAt(0);
			  int cab_min, num;
			  String string_v;
			  int i, j, final_v;
			  String string_final_v;
			  
			  List<Integer> soluciones_valor=new ArrayList<Integer>();
			  boolean enc;
			  
			  int v=min;
			  while(v<=max){
				  string_v=String.valueOf(v);
				  cab_min=Character.getNumericValue(string_v.charAt(0));				  
				  for(i=1;i<string_v.length();i++){
					  num=Character.getNumericValue(string_v.charAt(i));
					  if( num <= cab_max &&   // cambio de dígitos no es mayor que max
						  num >= cab_min  ){ // cambio de dígitos no es menor que el valor original
						  string_final_v=string_v.substring(i)+string_v.substring(0, i);
						  final_v=Integer.parseInt(string_v.substring(i)+string_v.substring(0, i)); // back + front
						  if(string_v.length()==string_final_v.length()  && min<=v && v<max && v<final_v && final_v<=max){
							  
							  //System.out.println((num_recycled+1)+" - ["+v+","+final_v+"]");
							  
							  enc=false;
							  for(j=0;j<soluciones_valor.size();j++){ // evitar soluciones capicua 1212
								  if(soluciones_valor.get(j)==final_v){
									  enc=true;
								  }
							  }
							  if(!enc){
								  soluciones_valor.add(final_v);
								  num_recycled++;
							  }
						  }
					  }
				  }
				  soluciones_valor.clear();
				  v++;
			  }
		  }
		  
		  //System.out.println("RESULTADO "+num_recycled+" \n");
		  
		  return num_recycled;
	}
	
	public static void main(String[] args) throws IOException {
		FileReader fr = new FileReader(args[0]);
		BufferedReader bf = new BufferedReader(fr);
		int ntest=0;
		
		FileWriter fstream = new FileWriter("out.txt");
		BufferedWriter out = new BufferedWriter(fstream);
		
		String lines = bf.readLine();
		String liner, linew;
		int lines_r=0;
		String[] numbers;
		int total;
		
		while((liner = bf.readLine())!=null && lines_r<=Integer.parseInt(lines)) {
			ntest++;
			numbers=liner.split(" ");
			total=f_recycled(numbers[0],numbers[1]);
			linew="Case #"+ntest+": "+total+"\n";
			out.write(linew);
			lines_r++;
		}
		out.close();
		fr.close();
	}
}
