/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package recyclednumbers;

import java.util.HashSet;

/**
 *
 * @author vandit
 */
public class RecycleNumbers {

    private HashSet<String> numbers = new HashSet<String>();
    private HashSet<String> initialTempNumbers = new HashSet<String>();
    private HashSet<String> finalTempNumbers = new HashSet<String>();

    HashSet<Pair> numberPairs = new HashSet<Pair>();


    private void findRecycledNumbers(int start, int end, int places) {


        for (int i = start; i <= end; i++) {
            String initialNumber = Integer.toString(i);
            //if (!(numbers.contains(initialNumber) || finalTempNumbers.contains(initialNumber))) {

                StringBuffer tempNumber = new StringBuffer(initialNumber);
                int len = tempNumber.length();
                int startIndexToMove = len - places;
                String tempString = tempNumber.substring(startIndexToMove);
                if ((places == 1 && tempString.equals("0")) || tempString.charAt(0) == '0') {
                    continue;
                }
                tempNumber.delete(startIndexToMove, len);
                String finalTempNumber = tempString + tempNumber.toString();

                if (! (finalTempNumber.equals(initialNumber) || Integer.parseInt(finalTempNumber) > end || Integer.parseInt(finalTempNumber) < Integer.parseInt(initialNumber))) {
                    numbers.add(initialNumber);
                    finalTempNumbers.add(finalTempNumber);
                    Pair pair = new Pair(finalTempNumber,initialNumber);
                    numberPairs.add(pair);
                }
            }

        

    }

    public HashSet<Pair> findAllRecycledNumbers(int start, int end) {
        int length = Integer.toString(start).length();
        for (int i = 1; i < length; i++) {
            findRecycledNumbers(start, end, i);
        }
        return numberPairs;
    }
}



import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;


public class Recycle {
	public static void main(String...args) throws IOException  {
		//the result file
		PrintWriter writer = new PrintWriter(new FileWriter("c:\\jam\\C-small-attempt0.out"));
		//reading input file the file
		BufferedReader reader = new BufferedReader(new FileReader("c:\\jam\\C-small-attempt0.in"));
		//Reading cases number
		int count = Integer.parseInt(reader.readLine());
		
		//Iterating over the cases
		for(int k=1;k<count+1;k++){
			String g = reader.readLine();
			String[] tab = g.split("\\s");
			int A = Integer.parseInt(tab[0]);
			int B = Integer.parseInt(tab[1]);
			int res = 0;
			
			for(int n=A;n<B;n++){
				String str = "" + n;
				String origin = str;
				int size = str.length();
				String old = null;
				int c = 0;
				List<String> list = new ArrayList<String>();
				for(int i=0;i<size;i++){
					char first = str.charAt(0);
					str = str.substring(1).concat(first + "");
					boolean test = false;
					for(String s:list){
						if(s.equals(str)) test = true;
					}
					if(test) continue;
					list.add(str);
					c = Integer.parseInt(str);
					int size2 = String.valueOf(c).length();
					if(c>n && c<=B && size==size2){
						res++;
					}
					old = str;
				}
			}
			
			writer.println("Case #" + k + ": " + res);
		}
		
			reader.close();
			writer.close();
	}
}
