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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.*;
import java.math.*;

public class C {

	private static String INPUT_FILE = "C-small-attempt0.in"; 
	private static String OUTPUT_FILE = "c.out";
	private static Map<Integer, Integer> listLengthToPairs = new HashMap<Integer, Integer>();

	public static void main(String args[]) {

		listLengthToPairs.put(1, 0);
		listLengthToPairs.put(2, 1);
		listLengthToPairs.put(3, 3);
		listLengthToPairs.put(4, 6);
		listLengthToPairs.put(5, 10);
		listLengthToPairs.put(6, 15);
		listLengthToPairs.put(7, 21);

		Scanner input = null;
		PrintStream output = null;
		try {	
			input = new Scanner(new File(INPUT_FILE));
			output = new PrintStream(OUTPUT_FILE);
		} catch (Exception e) {
			System.out.println(e);		
		}
		
		int testCases = Integer.parseInt(input.nextLine());
		int count = 1;
		
		String curArgs;
		int lowerBound;
		int upperBound;

		while(input.hasNextLine()) {
			output.print("Case #" + count + ": ");
			String spl = input.nextLine();
			lowerBound = Integer.parseInt(spl.split(" ")[0]);
			upperBound = Integer.parseInt(spl.split(" ")[1]);
			
			int totalViablePairs = 0;
			Set<Integer> numbersSeen = new HashSet<Integer>();

			for (int i=lowerBound; i<=upperBound; i++) {
				if (!numbersSeen.contains(i)) {
					int viable = permuteNum(i, lowerBound, upperBound, numbersSeen);
					totalViablePairs += viable;
				}
				
			}
			
			if (count != testCases) {
				output.println(totalViablePairs);
			} else {
				output.print(totalViablePairs);			
			}
			count++;
		}
	
	
	
	}

	private static int permuteNum(int num, int lower, int upper, Set seen) {
		String s = num + "";
		int length = s.length();
		int viablecount = 1;
		
		// add initial to seen set
		seen.add(num);
		
		for (int i=0; i<length; i++) {
			int leastsig = num % 10;
			int restof = num / 10;
			int newnum = leastsig * (int)Math.pow(10, length-1) + restof;
			
			if (newnum >= lower && newnum <= upper && !seen.contains(newnum)) {
				//System.out.println(newnum);
				viablecount++;
			
				// add found number to seen set
				seen.add(newnum);	
				//System.out.println("just added: " + newnum);
			}
			
			num = newnum;

		}
		
		return listLengthToPairs.get(viablecount);
	}


}