import java.io.*;

class code1
{
	public static void main(String args[]) throws Exception 
	{
		File ii = new File ("C-small-attempt1.in");
		FileInputStream fis = new FileInputStream(ii);
		BufferedReader  br = new BufferedReader(new InputStreamReader (fis));
		int cases = Integer.parseInt(br.readLine());
		FileOutputStream fout = new FileOutputStream ("output.txt");
		DataOutputStream dout = new DataOutputStream (fout);
		int total=0;
		for(int i=0;i<cases;i++){
		String temp = br.readLine();
		String parts [] = temp.split(" ");
		int lower = Integer.parseInt(parts[0]);
		int upper = Integer.parseInt(parts[1]);
		System.out.println(lower+" "+upper);
		
		for(int j=lower;j<=upper;j++)
		{
			int abc = j;int length=0;
			if(j<10)continue;
			while (abc!=0){abc/=10;length++;}
			abc=j;
			for(int m=0;m<length-1;m++){
				int shift = abc%10;
				abc=abc/10;
				System.out.println("hi "+j);
				abc=abc+shift*power(10,length-1);
				if(abc<=upper&&shift!=0&&abc>j)total++;
				System.out.println(total);
			}
		}
 		dout.writeBytes("Case #"+(i+1)+ ": "+total+"\n");
 		total=0;
		}//for close
		
	}

	private static int power(int i, int j) {
		int no=1;
		for(int a=0;a<j;a++){no=10*no;}
		return no;
	}
}
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;

/**
 * Created by IntelliJ IDEA.
 * User: Linkov Mikl
 * Date: 15.04.12
 * Time: 3:15
 * To change this template use File | Settings | File Templates.
 */
public class ProblemC {
    public static void main(String [] args) {
        Scanner scanner = new Scanner(System.in);

        int testCount = scanner.nextInt();

        for (int i = 0; i < testCount; i++) {
            int left =scanner.nextInt();
            int right = scanner.nextInt();
            int answer = 0;

            for (int value = left; value < right + 1; value++) {
                String str = String.valueOf(value);


                StringBuilder build = new StringBuilder(str);
                Set<Integer> set = new TreeSet<Integer>();
                for (int j = 1; j < str.length(); j++) {

                    build.append(build.charAt(0));
                    build.delete(0, 1);

                    if (build.charAt(0) == '0') {
                        continue;
                    }
                    int v1 = Integer.parseInt(build.toString());
                    int v2 = Integer.parseInt(str);

                    if ((v1 >= left) && (v1 <= right)) {
                        if ((v1 > v2)) {
                            if (!set.contains(v1)) {
                                answer++;
                                set.add(v1);
                            }
                        }
                    }
                }


            }
            System.out.println("Case #" + (i + 1) + ": " + answer);
        }
    }
}
