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.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;


public class Main 
{

public static HashMap<Character,Character> mapp = new HashMap<Character,Character>();

public static void main(String[] args) throws Exception
{
PrintWriter writer = new PrintWriter(new FileWriter("output.txt"));
BufferedReader input = new BufferedReader(new FileReader("C-small-attempt0.in"));
int size=Integer.parseInt(input.readLine());
for(int i=0; i<size; i++)
{
Set<String> Sett = new HashSet<String>();
String tokens[] = input.readLine().split(" ");
int Llimit = Integer.parseInt(tokens[0]);
int Hlimit = Integer.parseInt(tokens[1]);
for(int j=Llimit; j<Hlimit; j++)
{
Integer num1 = j;
String str1 = num1.toString();
for(int x=0; x<str1.length(); x++)
{
String temp = (String)str1.subSequence(str1.length()-1-x, str1.length()) + (String)str1.subSequence(0, (str1.length()-1-x));

if(Integer.parseInt(temp)>j && Integer.parseInt(temp)<=Hlimit)
{
Sett.add(str1+temp);
}
}
}
writer.println("Case #"+(i+1)+": "+Sett.size());
}
writer.close();
input.close();
}

}