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

package year_2012.qualification;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;

/**
 *
 * @author paul
 * @date 14 Apr 2012
 */
public class QuestionC {

    private static Set<Integer> getCycle(int x) {

        String s = Integer.toString(x);
        Set<Integer> set = new HashSet<Integer>();
        set.add(x);
        for (int c = 1; c < s.length(); c++) {
            String t = s.substring(c).concat(s.substring(0, c));
            set.add(Integer.parseInt(t));
        }
        return set;
        
    }

    private static Set<Integer> mask(Set<Integer> set, int a, int b) {
        Set<Integer> result = new HashSet<Integer>();

        for (int x : set) {
            if (x >= a && x <= b) {
                result.add(x);
            }
        }
        
        return result;

    }


    public static void main(String[] args) throws FileNotFoundException, IOException {

        String question = "C";

//        String name = "large";
        String name = "small-attempt0";
//        String name = "test";

        String filename = String.format("%s-%s", question, name);

        BufferedReader input = new BufferedReader(
                new FileReader(String.format("/home/paul/Documents/code-jam/2012/qualification/%s.in",
                filename)));

        String firstLine = input.readLine();

        PrintWriter pw = new PrintWriter(new File(
                String.format("/home/paul/Documents/code-jam/2012/qualification/%s.out", filename)));


        int T = Integer.parseInt(firstLine);

        // Loop through test cases.
        for (int i = 0; i < T; i++) {

//             Read data.
            String[] tokens = input.readLine().split(" ");

//            int N = Integer.parseInt(input.readLine());

            int A = Integer.parseInt(tokens[0]);
            int B = Integer.parseInt(tokens[1]);

//            System.out.format("%d, %d\n", A, B);

            boolean[] used = new boolean[B+1];
            int total = 0;
            for (int n = A; n <= B; n++) {
                if (!used[n]) {
                    Set<Integer> set = mask(getCycle(n), A, B);
                    int k = set.size();
                    total += (k * (k-1))/2;
                    for (int m : set) {
                        used[m] = true;
                    }
                }
            }

            pw.format("Case #%d: %d\n", i + 1, total);
        }

        pw.close();

    }

}

import java.util.*;
import java.io.*;
public class C
{
	List<String> arrList ;
	public void readFile(String srcFileName, String destFileName)
	{
		try
		{
			File srcFile = new File(srcFileName);
			File destFile = new File(destFileName);
			BufferedReader br = new BufferedReader(new FileReader(srcFile));
			BufferedWriter bw = new BufferedWriter(new FileWriter(destFile));
			int cases = Integer.parseInt(br.readLine());
			//cases =1;
			for(int i=0;i<cases;i++)
			{
				int counter =0;
				String lineInfo[] = br.readLine().split(" ");
				int firstNum = Integer.parseInt(lineInfo[0]);
				int secondNum = Integer.parseInt(lineInfo[1]);
				arrList= new ArrayList<String>();
				for(int k=firstNum;k<=secondNum;k++)
				{
					char[] ch = (k+"").toCharArray();
					for(int j =0; j<ch.length;j++)
					{
						ch = rotate(ch);
						int check = arrToString(ch);
					//	System.out.println(check);
						if(check != k && firstNum!=check && check!=secondNum)
						{
							if(firstNum<check && check<secondNum)
							{
								String sa = k+"-"+check;
								String sb = check+"-"+k;
								if(!arrList.contains(sa)&& !arrList.contains(sb))
								{
									arrList.add(sa);
									arrList.add(sb);
									counter++;
								}
							}
						}
					}
				}
				String str = "Case #"+(i+1)+": "+counter;
				bw.write(str);
				bw.newLine();
			}
			br.close();
			bw.close();
			
		}
		catch(Exception e)
		{
			System.out.println("Exception");
		}
	}
	
	public char[] rotate(char[] ch)
	{
		char temp = ch[0];
		for(int j=1;j<ch.length;j++)
		{
			ch[j-1]=ch[j];
		}
		ch[ch.length-1] = temp;
		return ch;
	}
	
	public int arrToString(char[] ch)
	{
		String str = "";
		for(int i=0;i<ch.length;i++)
		{
			str= str+ch[i];
		}
		return Integer.parseInt(str);
	}
	
	public static void main(String args[])
	{
		C c = new C();
		c.readFile(args[0],args[1]);
	}
}