import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

class RecycledNumbers{
	
	
	
	int getcount(int small,int large){
		int count = 0;
		for(int currnum = small; currnum < large; currnum++){
			int permut = currnum;
			int no_of_digits = 0;
			while(permut > 0){
				permut = permut/10;
				no_of_digits++;
			}
			int lastDigit = currnum % 10;
			permut = currnum / 10;
			permut = permut + lastDigit * (int)Math.pow(10, no_of_digits-1);
			while(permut != currnum){
				
				if(permut >= currnum && permut <= large){
					
					count++;
				}
				lastDigit = permut % 10;
				permut = permut / 10;
				permut = permut + lastDigit * (int)Math.pow(10, no_of_digits-1);
				
			}
			
		}
		
		return count;
	}
	
	public static void main(String args[]){
		RecycledNumbers d = new RecycledNumbers();
		
		int no_of_cases = 0;
		String input = "";
		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		try{
			no_of_cases = Integer.parseInt(br.readLine());
		}
		catch(Exception e){
			System.out.println("First line is not a number");
		}
		
		for(int i=1; i <= no_of_cases;i++){
			try{
				input = br.readLine();
			}
			catch(Exception e){
				System.out.println("Number of test cases different from the number mentioned in first line");
			}
			
			System.out.print("Case #" +i+": ");
			
			StringTokenizer t =  new StringTokenizer(input);
			int small=0,large=0;
			if(t.hasMoreTokens()){
				small = Integer.parseInt(t.nextToken());
			}
			if(t.hasMoreTokens()){
				large = Integer.parseInt(t.nextToken());
			}
			System.out.println(d.getcount(small,large));
			
		}
		
		
		

	}
	
	
}
package recycledNumbers;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class RecycledNumbers {
	
	public static String processaCaso(String linha, int i) {
		String[] nums = linha.split(" ");
		int a = Integer.parseInt(nums[0]);
		int b = Integer.parseInt(nums[1]);
		int numDistincPairs = 0;
		int lenNum = Integer.toString(a).length()-1;
		Set<Integer> ms = new HashSet<Integer>();
		for (; a < b; a++) {
			String n = Integer.toString(a);
			ms.clear();
			for (int j = 0; j < lenNum; j++) {
				int indice = lenNum-j;
				String strM = n.substring(indice)+n.substring(0,indice);
				int m = Integer.parseInt(strM);
				if (!(a < m && m <= b)) continue;
				ms.add(m);
			}
			numDistincPairs += ms.size();
		}
		return String.format("Case #%d: %d", i, numDistincPairs);
	}

	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
        Scanner scan = new Scanner(new File(args[0]));
        int numTestCases = scan.nextInt();
        scan.nextLine();
        Writer saida = new FileWriter(args[0]+".out");
		for (int i = 1 ; i <= numTestCases; i++) {
			saida.write(processaCaso(scan.nextLine(),i)+"\n");
		}
		saida.close();
	}

}
