/*
 * 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 codejam;

import java.util.*;

public class RecycledNumbers {

	public static void main(String[] args) {

		Scanner in = new Scanner(System.in);
		
		int T = in.nextInt();
		
		for (int k = 1; k <= T; k++) {
			
			int c = 0;
			
			int A = in.nextInt();
			int B = in.nextInt();
			
			for (int cand = A; cand <= B; cand++) {
				String str = Integer.toString(cand);
				char[] cstr = str.toCharArray();
				int n = cstr.length;
				int first = cstr[0]-0x30;
				int mod = (int)Math.pow(10, n-1);
				Set<String> ms = new HashSet<String>();
				for (int i = 1; i < n; i++) {
					int d = cstr[i]-0x30;
					if (d == 0) continue;
					if (d >= first) {
							String teststr = str.substring(i) + str.substring(0, i);
							if (ms.contains(teststr)) {
								continue;
							}
							ms.add(teststr);
							int test = Integer.parseInt(teststr);
							if (test <= B && test > cand) {
								System.out.println(str + ", " + teststr + ", " + A + ", " + B);
								c++;
							}
					}
				}
			}
			
			System.out.println("Case #" + k + ": " + c);
			
		}
		
	}

}
