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.*;


import java.util.*;
public class soalC{

	public static void main(String[] args){
			Scanner scan=new Scanner(System.in);



			int tc = scan.nextInt();

			for (int i = 0 ; i <  tc; i++)
			{
				int awal = scan.nextInt();
				int akhir = scan.nextInt();

				int index = awal;
				int count = 0;

				for (int j = awal; j <= akhir ; j++)
				{
					for (int k = j+1; k <= akhir ; k++)
					{
						if (checkRecycle(j,k))
						{
							count++;
						}

					}

				}

				System.out.println("Case #"+(i+1)+": "+count);


			}
	}

	public static boolean checkRecycle(int m, int n)
	{
		String x = n+"";
		for (int i = 0 ; i < x.length() ; i++)
		{
			if (Integer.parseInt(x.substring(i,x.length())+(x.substring(0,i)))==m)
			{
				return true;
			}
		}


		return false;
	}

}



