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.FileNotFoundException;
import java.io.FileReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.StringTokenizer;


public class RecycledNumbers {
	public static void main(String[] args) throws Exception
	{
		FileReader fileReader=new FileReader("D://Recylced Numbers/input.in") ;
		PrintWriter printWriter=new PrintWriter("D://Recylced Numbers/output.out");
		BufferedReader bufferedReader=new BufferedReader(fileReader);
		BufferedWriter bufferedWriter=new BufferedWriter(printWriter);
		String s,code;
		int counter=0;
		TestCase[] testCase=null;
		while((s=bufferedReader.readLine())!=null)
		{
			if(counter>0)
			{
				testCase[counter-1]=makeObject(s);
//				System.out.println(testCase[counter-1]);
//				printWriter.println("Case #"+counter+": ");
//				printWriter.flush();
			}
			else
				testCase=new TestCase[Integer.parseInt(s)];
			counter++;
		}
		
		ArrayList arrayList=null;
		
		for(int i=0;i<testCase.length;i++)
		{
			int c=i+1;
			int counter1=solveTestCase(testCase[i]);
			printWriter.println("Case #"+c+": "+counter1);
			printWriter.flush();
			System.out.println(counter1);
		}
		
				
		}

	private static int solveTestCase(TestCase testCase) {
		int counter=0;
		ArrayList arrayList=new ArrayList();
//		System.out.println(testCase.getA()+" "+testCase.getB());
		for(int i=testCase.getA();i<testCase.getB();i++)
		{
			counter=counter+checkRecycle(i,testCase.getB());

		}
//		System.out.println(counter);
		return counter;
	}

	private static int checkRecycle(Integer a, Integer b) {
//		if(a==451)
//			System.out.println("Yes loop is gong upto 451 "+b);
		String a1=""+a;
		String rem="";
		String num=""+a;
		boolean flag=true;
		int counter=0;
		for(int i=0;i<a1.length()-1;i++)
		{
				rem=num.substring(num.length()-1);
				num=num.substring(0,num.length()-1);
			//	System.out.println(rem+" "+num);
				if(num=="0")
					num=rem;
				else
					num=rem+num;
				if(Integer.parseInt(num)>a && Integer.parseInt(num)<=b)
				{
				//	System.out.println(a+" "+num);
					if(repeat(""+a) && flag==true)
					{
//						System.out.println("repeat "+a);
					//	counter++;
						flag=false;
					}
					else
					{
						counter++;
						flag=true;
					}
				}
			
		}
		
		return counter;
	}

	private static boolean repeat(String num) {
		boolean flag=false;
		HashSet hashSet=new HashSet();
		if(num.length()%2==0 && num.length()>2)
		{
			int i=0;
			while(num.length()>0)
			{
				hashSet.add(num.substring(num.length()-2));
				num=num.substring(0, num.length()-2);
				i=i+2;
				
			}
			flag=check(hashSet);
		}
		return flag;
	}
	private static boolean check(HashSet hashSet) {
		if(hashSet.size()>1)
			return false;
		return true;
	}
	

	private static TestCase makeObject(String s) {
		StringTokenizer stringTokenizer=new StringTokenizer(s);
		TestCase testCase=new TestCase();
		testCase.setA(Integer.parseInt(stringTokenizer.nextToken()));
		testCase.setB(Integer.parseInt(stringTokenizer.nextToken()));
		return testCase;
	}
	}
class TestCase {
	Integer a;
	Integer b;
	public Integer getA() {
		return a;
	}
	public void setA(Integer a) {
		this.a = a;
	}
	public Integer getB() {
		return b;
	}
	public void setB(Integer b) {
		this.b = b;
	}
	public TestCase(Integer a, Integer b) {
		super();
		this.a = a;
		this.b = b;
	}
	public TestCase() {
		
	}
	
	@Override
	public String toString() {
		return this.a+" "+this.b;
	}
	
}