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.Arrays;
import java.util.Scanner;


public class RecycledNumbers {

	public static int outputLine(String inputLine){
		int count = 0;
		String[] inputArray = inputLine.split(" ");
		ArrayList line = new ArrayList(Arrays.asList(inputArray));
		int min = Integer.parseInt((String) line.get(0));
		int max = Integer.parseInt((String) line.get(1));
		
		
		for (int k = min; k <= max; k++) {
			
			for (int j = min; j <= max; j++) {
				int numbDigits = String.valueOf(min).length();
				for (int x = 0; x <numbDigits; x++) {
					if ((String.valueOf(j).substring(numbDigits - (x+1), numbDigits) + String.valueOf(j).substring(0,numbDigits - (x+1))).equals(String.valueOf(k))) {
						if (k < j) {
						count++;
						}
					}
				}
			}
		}
			
		return  count;
	}
	
	
	public static void main (String [] args) {
		ArrayList answers = new ArrayList();
		System.out.println("Insert a number.");
		int i;
		Scanner scan = new Scanner(System.in);
		i = Integer.parseInt(scan.nextLine());
		
		for (int j = 0; j< i; j++) {
			String inputLine = scan.nextLine();
			answers.add(outputLine(inputLine));
			}
		
		for (int j = 0; j < answers.size(); j++){
			System.out.println("Case #" + (j+1) + ": " + (answers.get(j)));
		}
	}		
}
