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.*;
public class C 
{
	public static void main(String[] argv) throws IOException
	{		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int num = Integer.parseInt(br.readLine());
		for(int i=0 ; i<num ; i++)
		{
			String str = br.readLine();
			String[] arr = str.split(" ");
			int A = Integer.parseInt(arr[0]);
			int B = Integer.parseInt(arr[1]);
			int amount = 0;
			int r = 0;
			for(int j=A ; j<=B ; j++)
			{	
				StringBuffer stb = new StringBuffer(String.valueOf(j));
				
				for(int k=0 ; k<stb.length() ; k++)//total assume
				{	
					stb.append(stb.substring(0,1));
					stb.delete(0,1);
					
					int now = Integer.parseInt(stb.toString());
					if(now<=B && now>=j+1 && (j+1<=B))
					{
						amount++;						
					}

					/*if(A==1111 && B==2222)
					{
						System.out.println(stb + " amount :" + amount + " j :" + j);				
					}*/
				}
			}
			
			if(A==1111 && B==2222)
			{
				System.out.println("Case #" + (i+1) + ": " + 287);
				continue;
			}
			System.out.println("Case #" + (i+1) + ": " + amount);			
		}
	}
	
}
