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.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;


public class Run3 {
	public ArrayList<String> read(String name){
		ArrayList<String> data=new ArrayList<String>();

        try{
           BufferedReader br = new BufferedReader(new FileReader("C://codejam/"+name));

           String line = br.readLine();
          
           while(line != null){
                   data.add(line);
                   line = br.readLine();
           }

           br.close();

          
        }catch(Exception e){}
        return data;
	}
	
	public void write(ArrayList<String> data,String name){
		try{
	           BufferedWriter bw = new BufferedWriter(new FileWriter("C://codejam/"+name));
	           
	           for(int i = 0; i < data.size(); i++){
	               bw.write(data.get(i));
	               bw.newLine();
	           }

	           bw.close();
		}catch(Exception e){}

	}
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Run3 x= new Run3();
		ArrayList<String >data =new ArrayList<String>();
		ArrayList<String >out =new ArrayList<String>();
		data=x.read("input3.txt");
		for(int i=1;i<=Integer.parseInt(data.get(0));i++){
			String res=x.solve(data.get(i));
			System.out.println(res);
			out.add("Case #"+i+": "+res);
		}
		x.write(out, "output3.txt");
	}

	private String solve(String string) {
		String result="";
		int results=0;
		String[]x=string.split(" ");
		int a=Integer.parseInt(x[0]);
		int b=Integer.parseInt(x[1]);
		for(int i=a;i<b;i++){
			for(int j=i+1;j<=b;j++){
				String temp=""+i;
				for(int k=0;k<temp.length()-1;k++){
					temp+=temp.charAt(0);
					temp=temp.substring(1, temp.length());
					int num=Integer.parseInt(temp);
					if(num==j){
						if((""+num).length()==(""+j).length())
							results++;
					}
				}
				
				
				
			}
			
			
			
		}
		
		
		
		result+=results;
		return result;
	}

}
