/*
 * 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.FileInputStream;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;

public class C {
	private static Map<Long, Long> map = new HashMap<Long, Long>();

	public static void main(String args[]) {
		try {
			String fileName = "C:\\Users\\Lenovo Z370\\Desktop\\gcj\\comp-2012\\C-small-attempt1.in";
			BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(fileName)));
			int t = Integer.parseInt(br.readLine());
			for(int i=0; i<t; i++) {
				map.clear();
				String[] abs = br.readLine().split("\\s+");
				long a = Long.parseLong(abs[0]);
				long b = Long.parseLong(abs[1]);
				
				long count = 0;
				
				for(long j=a; j<=b; j++) {
					long n=j;
					String s = String.valueOf(n);
					int l = s.length()-1;
					for(int k=0; k<l; k++) {
						int r = (int)(n%10);
						long m = (long)(r*Math.pow(10, l)) + n/10;

						if(m > j && m >= a && m <= b) {
							Long val = map.get(j);
							if(val == null || val != m) {
								map.put(j, m);
								count++;
							}
						}
						n=m;
					}
				}
				
				System.out.println("Case #" + (i+1) + ": " + count);
			}
		} catch(Exception e) {
			e.printStackTrace();
		}
	}
}
