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;
	}
}
/**
 * Copyright 2012 Christopher Schmitz. All Rights Reserved.
 */

package com.isotopeent.codejam;

import com.isotopeent.codejam.lib.SolverBase;
import com.isotopeent.codejam.lib.Utils;
import com.isotopeent.codejam.lib.converters.IntArrayLine;

public class Solver extends SolverBase<int[]> {

	private static final String FILE_PATH = "C:\\codejam\\";
	private static final String FILE_NAME = "C-small-attempt0";
	private static final int INIT_PARAM_COUNT = 1;

	private static final int MAX_DIGITS = 8;
	// digits go from low to high place in array
	private static final int[] tempNumberArr = new int[MAX_DIGITS];

	public static void main(String [] args) {
		Utils.solve(FILE_PATH, FILE_NAME, new IntArrayLine(2), new Solver());
	}

	public Solver() {
		super(INIT_PARAM_COUNT);
	}

	@Override
	protected String solve(int[] input) {
		int[] min = getNumberArr(input[0]);
		int[] max = getNumberArr(input[1]);

		int length = min.length;
		int leadDigit = length - 1;
		int minLeadDigit = min[leadDigit];
		int maxLeadDigit = max[leadDigit];

		int permutationCount = 0;
		for (int shift = 1; shift < length; shift++) {
			for (int lead = minLeadDigit; lead <= maxLeadDigit; lead++) {
				int[] n = new int[length];
				int[] m = new int[length];
				int mLockStart = shift - 1;
				n[leadDigit] = lead;
				m[mLockStart] = lead;
				for (int shiftLead = lead; shiftLead <= maxLeadDigit; shiftLead++) {
					int nLockStart = leadDigit - shift;
					n[nLockStart] = shiftLead;
					m[leadDigit] = shiftLead;
					permutationCount += permutate(min, max, shift, n, nLockStart, m, mLockStart, leadDigit - 1, shiftLead > lead);
				}
			}
		}

		return Integer.toString(permutationCount);
	}

	private static int permutate(int[] min, int[] max, int shift, int[] n, int nLockStart,
			int[] m, int mLockStart, int digit, boolean onlyCheckBounds) {
		int permutationCount = 0;
		int nMin;
		int nMax;
		if (digit <= nLockStart) {
			nMin = n[digit];
			nMax = nMin;
		} else {
			// TODO: optimization possible
			nMin = 0;
			nMax = 9;
		}
		int mMin;
		int mMax;
		// TODO: optimization possible
		if (digit <= mLockStart) {
			mMin = m[digit];
			mMax = mMin;
		} else {
			mMin = 0;
			mMax = 9;
		}
		int compareSize = n.length - digit;
		for (int i = nMin; i <= nMax; i++) {
			n[digit] = i;
			int shiftDigit = shift - n.length + digit;
			if (shiftDigit >= 0) {
				m[shiftDigit] = i;
			}
			if (compare(n, min, compareSize) >= 0) {
				// still in range, so continue
				int j;
				if (!onlyCheckBounds && mMin < i) {
					j = i;
				} else {
					j = mMin;
				}
				for (/*j = mMin*/; j <= mMax; j++) {
					m[digit] = j;
					shiftDigit = digit - shift;
					if (shiftDigit >= 0) {
						n[shiftDigit] = j;
					}
					if (compare(m, max, compareSize) <= 0) {
						if (digit > 0) {
							permutationCount += permutate(min, max, shift, n, nLockStart, m, mLockStart, digit - 1,
									onlyCheckBounds || j > i);
						} else if (onlyCheckBounds || j > i) {
							// check for repetition (which causes duplicate results), can ignore if shift <= repetition size (count first instance)
							int start = n[0];
							for (int k = 2; k < shift; k++) {
								if (n[k] == start) {
									boolean repeated = true;
									for (int offset = n.length - 1 - k; repeated && offset > 0; offset--) {
										repeated = (n[offset] == n[offset + k]);
									}
									if (repeated) {
										permutationCount--;
									}
								}
							}
							permutationCount++;
						}
					}
				}
			}
		}
		return permutationCount;
	}

	private static int[] getNumberArr(int number) {
		int length = 0;
		tempNumberArr[length++] = number % 10;
		while (number >= 10) {
			number /= 10;
			tempNumberArr[length++] = number % 10;
		}
		int[] numberArr = new int[length];
		System.arraycopy(tempNumberArr, 0, numberArr, 0, length);
		return numberArr;
	}

	private static int compare(int[] n, int[] m, int digits) {
		int result = 0;
		int min = n.length - digits;
		for (int i = n.length - 1; i >= min && result == 0; i--) {
			result = n[i] - m[i];
		}
		return result;
	}

}
