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 codejam2
{

    void kick() throws IOException

    {
        FileReader fr=new FileReader("input.in");
        BufferedReader br=new BufferedReader(fr);

        FileWriter fw=new FileWriter("output.in");
        BufferedWriter bw=new BufferedWriter(fw);
        PrintWriter pw=new PrintWriter(bw);

        String txt="";
        int tc=Integer.parseInt(br.readLine());
        int c=0;
        

        while((txt=br.readLine())!=null)
        {

            StringTokenizer st=new StringTokenizer(txt);
            int a=Integer.parseInt(st.nextToken());
            int b=Integer.parseInt(st.nextToken());
            int posi=0;

            for(int i=a; i<b; i++)
            {
                for(int j=i+1; j<=b; j++)
                {
                    String a1=Integer.toString(i);
                    String b1=Integer.toString(j);

                    if(pos(a1,b1))
                       { posi++;}

                }
            }
            
            c++;
            pw.println("Case #"+c+": "+posi);

        }
        
        

        pw.close();
        bw.close();
        fw.close();

        br.close();
        fr.close();
    }

    boolean pos(String s,String p)
    {

        p=p+p;

        for(int j=0; j<s.length(); j++)
        {
            String subs=p.substring(j,j+(s.length()));
            if(s.equalsIgnoreCase(subs))
            {
                return true;
            }
        }
        return false;
    }
}