/*
 * 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 recycled;

import java.util.Scanner;

public class Recycled {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int t = scanner.nextInt();
        int[] count = new int[t];
        for (int i = 0; i < t; i++) {
            int a = scanner.nextInt();
            int b = scanner.nextInt();
            for (int j = a; j <= b; j++) {
                String temp = Integer.toString(j);
                int index=0;
                 int[] num=new int[(int) Math.log10(j)];
                for (int k = 0; k < Math.log10(j); k++) {
                    if (Math.log10(j) >= 1) {
                       
                        
                        String temp2 = temp.substring(k + 1, temp.length()) + temp.substring(0, k + 1);
                        int temp3 = Integer.parseInt(temp2);
                        if (temp3 <= b & temp3>j) {
                            count[i]++;
                            num[index]=temp3;
                            index++;
                        }
                    }
                }
                if (index>1){
                for(int k=0;k<index;k++){
                    for(int l=k+1;l<index;l++ ){
                        if (num[k]==num[l]){
                            count[i]--;
                        }
                    }
                    }
                }
            }
        }
        for (int i = 0; i < t; i++) {
            System.out.println("Case #" + (i + 1) + ": " + count[i]);
        }
    }
}
