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.ArrayList;
import java.util.HashMap;
import java.util.Scanner;


public class Recycled {

	public static String shift(String x){
		return (x.substring(x.length() - 1) + x.substring(0, x.length() - 1));
	}
	
	public static void main(String[] args) {
		
		int t, x = 1;
		String a, b, s;
		Scanner scan = new Scanner(System.in);
		
		t = scan.nextInt();
		
		for(int i=0; i<t; i++){
			
			a = scan.next();
			b = scan.next();
			
			ArrayList<String> al = new ArrayList<String>();
			
			int n = Integer.parseInt(a);
			
			while(n <= Integer.parseInt(b)){
				
				s = "" + n;
				String orig = ""+n;
				
				for(int j=0; j<a.length() - 1; j++){
					
					s = shift(s);
					if(s.equals(orig)) break;
					
					//System.out.println(s);
					
					if(Integer.parseInt(s) >= Integer.parseInt(orig) && Integer.parseInt(s) <= Integer.parseInt(b) && !al.contains(s)){
						al.add(orig+"-"+s);
					}
				}
				
				n++;
			}
			
	//		for(int j=0; j<al.size(); j++)
	//			System.out.println(al.get(j));
			
			System.out.println("Case #" + x + ": " + al.size());
			x++;
		}
		
	}

}
