/*
 * 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();

    }

}

/**
 * Google CodeJam 2012
 * General framework that takes care of the similar and repetitive tasks for all the problems.
 * E.g. managing case input and output.
 * 
 * By Üllar Soon <positivew@gmail.com>
 */
package eu.positivew.codejam.framework;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;


/**
 * CodeJam IO class. Handles some of the test case file IO. Makes my life a bit easier.
 * 
 * @author Üllar Soon <positivew@gmail.com>
 */
public class CodeJamIO {
	
	private BufferedReader inStream;
	private BufferedWriter outStream;
	
	private int testCases = 0;
	private int caseNr = 1;
	
	/**
	 * Opens an input file. Also reads the first line (test case count) and stores its value in testCases.
	 * 
	 * @param inFile	File to open for input
	 * @return			TRUE if the file was opened successfully
	 */
	public boolean inputOpen(File inFile) {
		try {
			inStream = new BufferedReader(new FileReader(inFile));
			if(inStream != null) {
				try {
					testCases = Integer.parseInt(inStream.readLine());
				}
				catch(NumberFormatException ex) {
					System.err.println("Failed to retrieve the number of test cases!");
					return false;
				}
			}
			else
				System.err.println("Failed to open input file!");
			return true;
		}
		catch(IOException ex) {
			System.err.println("Failed to open input file!");
			return false;
		}
	}
	
	/**
	 * Uses the provided parser to read and encapsulate the next available test case from the file opened with inputOpen().
	 * 
	 * @param parser 	CodeJamInput parser that handles retrieving test cases
	 * @return 			A test case object
	 */
	public CodeJamInputCase inputReadCase(CodeJamInputParser parser) {
		return parser.readCase(inStream);
	}
	
	/**
	 * Closes the input file opened with inputOpen().
	 */
	public void inputClose() {
		try {
			inStream.close();
		}
		catch(IOException ex) {
			System.err.println("Failed to close input file!");
		}
	}
	
	/**
	 * Opens a new output file.
	 * 
	 * @param outFile	File to open for output
	 * @return			TRUE if file was opened successfully
	 */
	public boolean outputOpen(File outFile) {
		try {
			outStream = new BufferedWriter(new FileWriter(outFile));
			return true;
		}
		catch(IOException ex) {
			System.err.println("Failed to open output file!");
			return false;
		}
	}
	
	/**
	 * Writes a case result to the output file opened with ouputOpen().
	 * 
	 * @param			caseResult A case result to write to the output file
	 */
	public void outputWriteCase(String caseResult) {
		if(outStream != null) {
			try {
				outStream.write("Case #" + caseNr + ": " + caseResult);
				outStream.newLine();
				caseNr++;
			}
			catch(IOException ex) {
				System.err.println("Failed to write case #" + caseNr + " to output file!");
			}
		}
	}
	
	/**
	 * Closes the output file opened with outputOpen().
	 */
	public void outputClose() {
		try {
			outStream.close();
		}
		catch(IOException ex) {
			System.err.println("Failed to close input file!");
		}
	}
	
	/**
	 * Gets the number of test cases.
	 * 
	 * @return			Number of test cases
	 */
	public int getTestCases() {
		return testCases;
	}

}
