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 google3
{

void main()throws IOException
{

 try{
  // Open the file that is the first 
  // command line parameter
  FileInputStream fstream = new FileInputStream("C-small-attempt0.in.txt");
  // Get the object of DataInputStream
  DataInputStream in = new DataInputStream(fstream);
  BufferedReader br = new BufferedReader(new InputStreamReader(in));
  String strLine;
  strLine=br.readLine();
  int a=Integer.parseInt(strLine);//Read File Line By Line
 String b[]=new String[a];
 int i=0;
  while ((strLine = br.readLine()) != null)   {
  // Print the content on the console
  b[i]=strLine;i++;
  }
  in.close();
  FileOutputStream out = new FileOutputStream(new File("output.txt"));
 
 int g=0;for(int l=0;l<a;l++)
{g=l+1;byte[] s = ("Case #"+g+": "+check(b[l])+"\n").getBytes();
out.write(s);
}
  
  
}
catch(Exception e){}
}
int check(String a){

String[] parts = a.split(" ");
int[] numbers = new int[parts.length];
int count=0;
for(int i = 0; i < parts.length; i++)
   { numbers[i] = Integer.parseInt(parts[i].trim());
    }
    
    for(int i=numbers[0];i<=numbers[1];i++)
    {for(int j=i+1;j<=numbers[1];j++)
    {
       count+=ret(i,j);
    }
    
    }
    return count;
}

int ret(int a,int b)
{
String c=Integer.toString(a);

String d=Integer.toString(b);

for(int i=0;i<c.length();i++)
{
if((c.substring(i,c.length())+c.substring(0,i)).equals(d))
{return 1;}

}
return 0;
}
}



