/*
 * 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.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.HashSet;
import java.util.Scanner;


public class RecycledNumbers {		
	
	public static void main(String[] args) throws NumberFormatException, IOException {				
		FileInputStream inFile = new FileInputStream(new File("resources/codejam/RecycledNumbers.in"));			
		DataInputStream in = new DataInputStream(inFile);

		FileOutputStream outFile = new FileOutputStream(new File("resources/codejam/RecycledNumbers.out"));
		DataOutputStream out = new DataOutputStream(outFile);

		int cases = Integer.parseInt(in.readLine());
		
		for(int i=0;i<cases;i++) {
			doCase(i+1, in, out);
			if(i != cases - 1) {
				out.writeBytes("\n");
			}
		}
	}

	private static void doCase(int caseNo, DataInputStream in, DataOutputStream out) throws IOException {
		StringBuilder sb = new StringBuilder();
		sb.append("Case #");
		sb.append(caseNo);
		sb.append(": ");
		
		int recycles = 0;
		
		Scanner s = new Scanner(in.readLine());
		int a = s.nextInt();
		int b = s.nextInt();
		for(int i = a; i <= b; i++) {
			String numbers = String.valueOf(i);
			int len = numbers.length();
			if(len > 1) {								
				//check for recycles
				String firstStr = String.valueOf(numbers.charAt(0));
				int firstNo = Integer.parseInt(firstStr);
				HashSet<Integer> record = new HashSet<Integer>();
				for(int j = 1; j < len; j++) {
					int currNo = Integer.parseInt(String.valueOf(numbers.charAt(j)));
					if(currNo > firstNo || currNo == 0) {
						continue;
					}					
					String newNo = numbers.substring(j) + numbers.substring(0, j);  
																					
					Integer newVal = Integer.valueOf(newNo);
					if(newVal < i && newVal >= a) {												
						record.add(newVal);
					} 
				}	
				recycles+= record.size();
			}					
		}						
		sb.append(recycles);				
		out.writeBytes(sb.toString());
		
	}

	
}
