/*
 * 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;
    }
}

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

import java.io.*;
import java.util.HashSet;
import java.util.StringTokenizer;

/**
 *
 * @author ÐÐ¸ÑÐ¸Ð»Ð» Ð¸ ÐÐ°Ð¿Ð°
 */
public class RecycledNumbers {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        try {
            BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream("input.in")));
            BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output.txt")));
            int n = Integer.parseInt(br.readLine());
            for (int testCaseI = 0; testCaseI < n; testCaseI++) {
                StringTokenizer st = new StringTokenizer(br.readLine());
                String aStr = st.nextToken();
                String bStr = st.nextToken();
                int a = Integer.parseInt(aStr);
                int b = Integer.parseInt(bStr);
                int res = 0;
                for (int currA = a; currA <= b; currA++) {
                    String currAStr = Integer.toString(currA);
                    HashSet<String> hashRes = new HashSet<String>();
                    for (int p = 1; p < aStr.length(); p++) {
                        String moved = currAStr.substring(p) + currAStr.substring(0, p);
                        if ((moved.compareTo(bStr) <= 0) && (moved.compareTo(currAStr) > 0)) {
                            hashRes.add(moved);
                        }
                    }
                    res += hashRes.size();
                }
                bw.write("Case #" + (testCaseI + 1) + ": " + res);
                bw.newLine();
            }
            br.close();
            bw.close();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}
