/*
 * 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;
    }
}

package codejam2012;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.PrintStream;

public class ProblemC
{
	public static void main(String[] args) throws Exception
	{
		BufferedReader in = new BufferedReader(new FileReader("in.txt"));
		PrintStream out = System.out;
		out = new PrintStream("out.txt");
		
		int T = Integer.parseInt(in.readLine());
		
		for (int t = 0; t < T; t++)
		{
			String[] tok = in.readLine().split(" ");
			int A = Integer.parseInt(tok[0]);
			int B = Integer.parseInt(tok[1]);
			long ans = 0;
			boolean[] used = new boolean[10000000];
			int f = 1;
			while (10*f <= A) f *= 10;
			
			for (int n = A; n <= B; n++)
			{
				if (used[n]) continue;
				long k = 1;
				int m = n;
				while (!used[m])
				{
					used[m] = true;
					m = f*(m%10) + (m/10);
					if (!used[m] && m >= A && m <= B) k++;
				}
				
				ans += k * (k-1) / 2;
			}
			
			out.printf("Case #%d: %d\n", t+1, ans);
		}
		
		if (out != System.out) out.close();
	}
}
