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 Numbers{
	
	public static void main(String args[]){
		
		try{
			
			FileInputStream fstream = new FileInputStream(args[0]);
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			
			PrintWriter out = new PrintWriter(args[0] + "_out");
			
			String strLine = br.readLine();
			int cases = Integer.parseInt(strLine);
				
			for (int i = 0; i < cases; i++){
				//System.out.println("			i " + i);
				
				strLine = br.readLine();
				String[] a_and_b = strLine.split(" ");
				int a = Integer.parseInt(a_and_b[0]);
				int b = Integer.parseInt(a_and_b[1]);
				
				int length = String.valueOf(a).length();
				
				int[] found_as = new int[(int)java.lang.Math.pow(10,length+1)];
				
				int solutions = 0;
				
				for (double j = java.lang.Math.pow(10,length-1); j < java.lang.Math.pow(10,length); j++){
					//System.out.println("	j " + j);
					
					String this_number = String.valueOf(j);
					//System.out.println("this_number = " + this_number);
					char[] this_numbers_ciphers = this_number.toCharArray();
					//for (int k = 0; k < this_numbers_ciphers.length; k++) System.out.println("this_numbers_ciphers = " + this_numbers_ciphers[k]);
					
					for (int k = 0; k < length; k++){
						
						//System.out.println("		k " + k);
						
						char[] this_recycles_ciphers = new char[length];
						for (int l = 0; l < length; l++) {
							//System.out.println("				l " + l);
							//System.out.println("vor mod");
							int new_pos = (l + k) % length;
							//System.out.println("new pos = " + new_pos);
							//System.out.println("length = " + length);
							//System.out.println("this_numbers_ciphers[new_pos] = " + this_numbers_ciphers[new_pos]);
							//System.out.println("this_recycles_ciphers[l] = " + this_recycles_ciphers[l]);
							this_recycles_ciphers[l] = this_numbers_ciphers[new_pos];
							//System.out.println("nach mod" + l);
							}
						
						//System.out.println("-- vor new String");
						int m = Integer.parseInt(new String(this_recycles_ciphers));
						//System.out.println("-- nach new String");
						
						//System.out.println("--- vor if-Block");
						if ( a <= m && m < j && j <= b){
							boolean double_flag = false;
							//System.out.println("---- vor double_flag schleife");
							for (int l = 0; l < 2*solutions; l++) {
								//System.out.println("---- vor if-block in double_flag schleife");
								//System.out.println("found_as[2*l] = " + found_as[2*l]);
								//System.out.println("(int)j = " + (int)j);
								//System.out.println("found_as[2*l+1] = " + found_as[2*l+1]);
								//System.out.println("(int)m) = " + (int)m);
								if (found_as[2*l] == (int)j && found_as[2*l+1] == (int)m) {
									//System.out.println("----- vor anweisung");
									double_flag = true;
									//System.out.println("----- nach anweisung");
								}
								//System.out.println("---- nach if-block in double_flag schleife");
							}
							//System.out.println("---- nach double_flag schleife");
							found_as[2*solutions] = (int)j;
							found_as[2*solutions+1] = (int)m;
							if (double_flag != true) solutions++;
							double_flag = false;
							//System.out.println("case " + i + " solution " + solutions + " a " + a + " b " + b + " j " + j + " m " +  m);
						}
						//System.out.println("--- nach if-Block");
						
					}
					
				}
				
				out.println("Case #" + (i+1) + ": " + solutions);
				
			}
			
			in.close();
			out.close();
			
		}
		
		catch (Exception e){
			System.err.println("Error: " + e.getMessage());
		}
		
	}
		
}
	
