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.*;
import java.util.*;
public class C{
	public static void main(String[] args){
	  try{
		String inputFile = "C-small-attempt0.in";
		String outputFile = "C-small-attempt0.out";
		Scanner sc = new Scanner(new File(inputFile));
        FileWriter fwStream = new FileWriter( outputFile );
        BufferedWriter bwStream = new BufferedWriter( fwStream );
        PrintWriter pwStream = new PrintWriter( bwStream );
		int numCase = sc.nextInt();
		for(int i = 0; i < numCase; i++){
			int answer = 0;
			int min = sc.nextInt();
			int max = sc.nextInt();
			for(int j = min; j <= max; j++){
				System.out.println("inside j loop");
				String a = String.valueOf(j);
				int length = a.length();
				int temp = ((j % 10) * (int)(Math.pow(10,length-1))) + (j /10);
				while(temp != j){
					System.out.println("inside while temp loop");
					System.out.println("temp = " + temp);
					System.out.println("j = " + j);
					if(temp >= min && temp <= max && temp > j){
						answer++;
					}
					temp = ((temp % 10) * (int)(Math.pow(10,length-1))) + (temp /10);
				}
			}
			pwStream.print("Case #"+(i+1)+ ": ");
			pwStream.print(answer);
			pwStream.println();
		}
		pwStream.close();
		sc.close();
		}
	  catch(Exception e){e.printStackTrace();}
	}
}