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 RecycledNumbers
{
   static int start, end;
   public static void main(String[] args) throws IOException
   {
      Scanner scan = new Scanner(new File("c_small.in"));
      
      int numCases = scan.nextInt();
      for (int z = 1; z <= numCases; z++)
      {
         start = scan.nextInt();
         end = scan.nextInt();
         int count = 0;
         for (int i = start; i <= end; i++)
         {
            String rep = i + "";
            Set<String> done = new HashSet<String>();
            for (int j = 0; j < rep.length(); j++)
            {
               String res = eval(rep, j);
               if (res != null && !done.contains(res))
               {
                  done.add(res);
                  count++;
               }
            }
         }
         System.out.println("Case #"+z+": " + count);
      }
   }
   
   static String eval(String rep, int ind)
   {
      String part1 = rep.substring(0, ind);
      String part2 = rep.substring(ind, rep.length());
      
      String two = part2 + part1;
      
      int twoVal = Integer.valueOf(two);
      if (two.charAt(0) != '0' && two.compareTo(rep) > 0 && twoVal <= end)
      {
         //System.out.println(rep + " " + two);
         return two;
      }
      return null;
   }
}
