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

package recycled;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.TreeSet;

/**
 *
 * @author Alfred
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
    try {
            FileInputStream fstream = new FileInputStream("C-small-attempt0.in");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            FileWriter outFile = new FileWriter("out.txt");
            PrintWriter out = new PrintWriter(outFile);
            String line;
            line = br.readLine();
            int cases = Integer.parseInt(line);
            for (int i=1; i<=cases;i++){
                line = br.readLine();
                String[] values = line.split(" ");
                int A = Integer.parseInt(values[0]);
                int B = Integer.parseInt(values[1]);
                int total=0;
                for (int n=A; n<=B;n++){
                    TreeSet<String> solutions = new TreeSet<String>();
                    for (int k=1;k<values[1].length();k++){
                        String m = circshift(n,k);
                        int mVal = Integer.parseInt(m);
                        if(mVal<=B && mVal!=n  && mVal> n && !m.startsWith("0") && m.length()==Integer.toString(n).length() )
                        {
                            solutions.add(m);
                        }                   
                    }
                    total+=solutions.size();
                }
                out.println("Case #"+i+": "+total);
            }
            in.close();
            out.close();
        } catch (Exception e) {//Catch exception if any
            System.err.println("Error: " + e.getMessage());
        }

}

    private static String circshift(int n, int k) {
        String nString=Integer.toString(n);
        int len=nString.length();
        String m =  nString.substring(len-k)+nString.subSequence(0, len-k);
        //System.out.println(n+" "+m);
        return m;
    }

}

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintStream;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.ListIterator;
import java.util.Scanner;

public class RecycledNumbers {

	/**
	 * @param args
	 * @throws FileNotFoundException
	 */
	public static void main(String[] args) throws FileNotFoundException {
		// TODO Auto-generated method stub
		//System.setOut(new PrintStream(new File("RecycledNumbers.txt")));
	
		Scanner scanner = new Scanner(System.in);
		int testcasenum = Integer.valueOf(scanner.next());
		scanner.nextLine();
		for (int testcase = 0; testcase < testcasenum; testcase++) {
			System.out.print("Case #");
			System.out.print(testcase+1);
			System.out.print(": ");
			int from = scanner.nextInt();
			int to = scanner.nextInt();
			int count = 0;
			boolean table[] = new boolean[to+1];
			for (int num = from; num <= to; num++) {
				if (!table[num]){
					int len = String.valueOf(num).length();
			
					int shift = num;
					table[num] = true;
					int pair = 1;
					for (int i = 0;i < len-1;i++){
						shift = shiftLeft(shift, len);
						if (shift >= from && shift <= to&& !table[shift]){
							pair++;
							table[shift] = true;
							
						}
					}
					count += pair*(pair-1)/2;
				}
			}
			System.out.println(count);

		}
	}


	public static int shiftLeft(int num, int len) {
		int digit = num % 10;
		num = num / 10;
		return num += Math.pow(10, len-1)*digit;	
	}
	
	
	public static int getUniqueDigits(int num){
		boolean digits[] = new boolean[10];
		while (num != 0) {
			int digit = (num % 10);
			digits[digit] = true;
			num = num / 10;
		}
		int count = 0;
		for (int i = 0;i < 10;i++){
			count += digits[i]?1:0;
		}
		return count;
	}
	

}
