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.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;


public class RecycledNumbers {


	public static void main(String[] args) throws IOException {
		
		String inputName = "C-small-attempt0";
		
		FileReader fr = new FileReader(inputName+".in");
		Scanner sc = new Scanner(fr);
		
		FileWriter fstream = new FileWriter(inputName+".out");
		BufferedWriter out = new BufferedWriter(fstream);
				
		int T = sc.nextInt();
		for(int i = 0; i < T; i++){
			int A = sc.nextInt();
			int B = sc.nextInt();
			int ans = 0;
			for(int n = A; n <= B; n++){
				String s = ""+n;
				ArrayList<Integer> mlist = new ArrayList<Integer>();
				for(int k = 1; k < s.length(); k++){
					String s2 = s.substring(k) + s.substring(0, k);
					int m = Integer.parseInt(s2);
					if(m > n && m <= B && !mlist.contains(m)){
						//System.out.println(s + " " + s2);
						ans++;
						mlist.add(m);
					}
				}
			}
			out.write("Case #" + (i+1) + ": " + ans);
			out.newLine();
			System.out.println("Case #" + (i+1) + ": " + ans);
		}
	}
}
