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.*;
import java.lang.*;
import java.util.*;

public class Recycle{
   public static void main(String args []){
        try{
            FileInputStream fstream = new FileInputStream("C-small-attempt0.in");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));

            FileWriter ostream = new FileWriter("recOut.txt");
            BufferedWriter out = new BufferedWriter(ostream);

            String str = br.readLine();
            int num = Integer.parseInt(str.replaceAll("\\s",""));

            String [] AB = new String[num];
            String temp;
            int k = 0;

            while((temp = br.readLine()) != null && k < num){
                AB[k] = temp;
                ++k;
            }

            //for(int i=1; i<= num; i++){
            for(int i=1; i<= num; i++){
                String ABs = AB[i-1].trim();
                int n = calcDig(ABs);
     
                out.write("Case #" + i + ": " + n);
                out.write("\n");
                out.flush();
            }
            out.close();
        }
        catch(Exception e){}
   }
   public static int calcDig(String input){
       String [] nums = input.split(" ");
       int A = Integer.parseInt(nums[0].replaceAll("\\s",""));
       int B = Integer.parseInt(nums[1].replaceAll("\\s",""));

       if(A < 10)
           return 0;
        else return numRot(A, B);     
   }

   public static int numRot(int A, int B){
       int toRet = 0;
       int len = Integer.toString(A).length();
       int cur = A;
       //System.out.println(A);
       //System.out.println(B);
       //System.out.println(len);

       HashMap<Integer, Integer> sets = new HashMap<Integer, Integer>();

       while(cur < B){
           for(int j=1; j< len; j++){         
               int newPerm = Rotate(cur, j, len);
               int newLen = Integer.toString(newPerm).length();
               //System.out.println(cur + " " +newPerm);
               if(B >= newPerm && newLen == len && cur < newPerm){
                   ++toRet;
                   //sets.put(cur, newPerm);
                   if(sets.containsKey(cur)){
                       if(sets.get(cur) == newPerm){
                           //System.out.println("Found: " + sets.get(cur));
                           --toRet;
                       }
                   }
                   else{
                    sets.put(cur, newPerm);
                   }
               }
               /*
               else
                   System.out.println("  perm " + newPerm + " not counted");
                   */
           }
           ++cur;
       }
       return toRet;
   }

   public static int checkRot(int A, int B, int len){
     //System.out.print("A: " + A);
     //System.out.println("B: " + B);

     List<Integer> aList = new ArrayList<Integer>();
     List<Integer> bList = new ArrayList<Integer>();

     int a = A;
     int b = B;

     while(a > 0){
         aList.add(a % 10);
         bList.add(b % 10);
         a /= 10;
         b /= 10;
      }
     
     Collections.sort(aList);
     Collections.sort(bList);

     if(aList.equals(bList)){
         //nreturn iterRot(A, B, len);
         return 0;
     }
     else
         return 0;
   }

   /*
   public static int iterRot(int A, int B, int len){
       int toRet = 0;
       for(int i=1; i<len; i++){
           if(Rotate(A, i, len) <= B)
               ++toRet;
       }
       return toRet;
    }*/

   public static int Rotate(int n, int k, int len){
       int rem = len-k;
       int place = (int)Math.pow(10,(rem));
       //System.out.println(place);
       int x = n/place;               
       //System.out.println(x);
       int y = n % place;
       //System.out.println(y);
       int newPlace = (int)Math.pow(10,k);

       return (y*newPlace) + x; 
   }
}

