/*
 * 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.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;

public class Evans2012C {
	private final String _PROBLEM_NO = "201201C";
	private final String _FILE_DIRECTORY = "K:/Dropbox/workspace/codejam/" + _PROBLEM_NO + "/";
	private final String _FILE_PATH = _FILE_DIRECTORY + "C-small-attempt0";
	
	public static void main(String[] args) throws IOException {
		Locale.setDefault(Locale.US);
		new Evans2012C().execute();
	}

	public void execute() {
		BufferedReader br = null;
		PrintWriter pw = null;

		try {
			br = new BufferedReader(new FileReader(_FILE_PATH + ".in"));
			pw = new PrintWriter(_FILE_PATH + ".out");
			 
			//main
			int caseno = Integer.parseInt(br.readLine());
			Map<Integer,List> m = new HashMap<Integer,List>();
			
			for(int i=10;i<=1000000;i++) {
				check(i,m);	
			}
//			System.out.println(m.get(2));
			for (int count = 1; count <= caseno; count++) {
//				if(count>4)break;
				pw.print("Case #" + count + ": ");
				System.out.print("Case #" + count + ": ");
				
				String line = br.readLine();
				
				String[] splits = line.split(" ");
				int A = Integer.parseInt(splits[0]); 
				int B = Integer.parseInt(splits[1]); 
					 
				int r = 0;
				
				if(A < 10 || A >= 1000000 || A==B) {
					pw.print("0");
					System.out.print("0"); 
				}
				else {
					List<Integer> tt = m.get((""+A).length());
					for(int t:tt) {

//						if(t >= A && t <= B) {
							r += check(A,B,t);
//						}
					}
					pw.print(r);
					System.out.print(r);
				}
				
				pw.print("\n");
				System.out.print("\n");
			}
			
			//end
	
	
			br.close();
			pw.close();
		
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		finally {
			try {
				if(pw != null) pw.close();
			} catch(Exception e) {}
			try {
				if(br != null) br.close();
			} catch(Exception e) {}
		}
	}

	private int check(int a, int b, int t) {
		String tt = ""+t;
//		System.out.println(tt);
		int r =0;
		Set<Integer> rr = new HashSet<Integer>();  
		for(int i=0;i<tt.length();i++) {
			if(i!=0) {
				tt = tt.substring(1) + tt.charAt(0);
				if(tt.startsWith("0")) continue;

				t = Integer.parseInt(tt);
				
				
			}
			if(t>=a&&t<=b) {
//				System.out.print(tt + "!");
				rr.add(t);
				
			}
		}
		r=rr.size();
//		System.out.println(r);
		if(r==1) return 0;
		
		
		
		if(r!=0) r = (r*(r-1))/2;
		
		return r;
	}

	private void check(int i, Map<Integer, List> m) {
 
		String in = "" + i;
		int b = in.length(); 
		
		if(!dedup(i)) return;
		
		dedup.put(i, true);
		
		List target = m.get(b);
		if(target == null) {
			target = new ArrayList<Integer>();
			m.put(b, target);
		}
		target.add(i);
	}
	 
	public static Map<Integer,Boolean> dedup = new HashMap<Integer,Boolean>();
 

	private boolean dedup(int t) {
		String tt = ""+t;


		for(int i=0;i<tt.length();i++) {
			if(i!=0) {
				tt = tt.substring(1) + tt.charAt(0);
				if(tt.startsWith("0")) continue;
				 
				t = Integer.parseInt(tt);
				 
			}
			 
			if(dedup.get(t) != null)
				return false;
		}
 
		return true;
	}
	
}
