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.*;

public class GoogleCodeInP3 {
  
  public static void main(String[] args) throws IOException {
    BufferedReader mbr = new BufferedReader(new FileReader(args[0]));
    int a = -1;
    try {
      a = Integer.parseInt(mbr.readLine());
    }
    catch (Exception e) { }
    FileWriter fw = new FileWriter("outputFile2a");
    BufferedWriter bfw = new BufferedWriter(fw);
    for (int i = 0; i < a; i++) {
      String thisLine = mbr.readLine();
      String[] w = thisLine.split(" ");
      String N = w[0];
      String M = w[1];
      bfw.write("Case #" + (i + 1) + ": " + recycleNumbers(N, M));
      if (i < a - 1) { bfw.write("\n"); }
    }
    bfw.close();
  }

  
  
  public static int recycleNumbers(String a, String b) {
    int a1 = Integer.parseInt(a);
    int b1 = Integer.parseInt(b);
    int howMany = 0;
    int w = 0;
    return howManyFor(a1, b1);
  }
  
  public static int howManyFor(int a, int b) {
    int thisMany = 0;
    int y = b + 1;
    while (y >= a) {
      y = y - 1;
      int w = 0;
      while (a + w < y) {
        if (!checkSameDigits(a + w, y)) { w = w + 1; continue; }
        String currentA = "" + (a + w);
        String currentB = "" + y;
        thisMany = thisMany + checkIfMatch(currentA, currentB);
        w = w + 1;
      }
    }
    return thisMany;
  }
  
  public static boolean checkSameDigits(int a, int b) {
    String s = "" + a;
    String t = "" + b;
    if (s.length() != t.length()) { return false; }
    int[] whereFound = new int[s.length()];
    for (int i = 0; i < s.length(); i++) {
      if (s.indexOf(t.charAt(i)) == -1) { return false; }
      if (whereFound[s.indexOf(t.charAt(i))] == 0) {
        whereFound[s.indexOf(t.charAt(i))] = 1;
        continue;
      }
      int x = s.indexOf(t.charAt(i));
      for (int j = x; j < whereFound.length; j++) {
        if (whereFound[j] == 1) { x = j; }
      }
      if (s.indexOf(t.charAt(x)) == -1) { return false; }
      whereFound[s.indexOf(t.charAt(x))] = 1;
    }
    return true;
  }
  
  public static int checkIfMatch(String currentA, String currentB) {
    String a = currentA;
    String b = currentB;
    int andThisMany = 0;
    for (int w = 0; w < a.length(); w++) {
      if (w == 0) { if (a.equals(b)) { andThisMany = andThisMany + 1; continue; } }
      if ((a.substring(w) + a.substring(0, w)).equals(currentB)) { andThisMany = andThisMany + 1; }
    }
    return andThisMany;
  }

}