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;
	}
}
package commons;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;

public class FileUtilities {
    
    public static void writeFile(List<String> strings, File file) 
            throws IOException {
        
        file.createNewFile();
        FileWriter writer = new FileWriter(file);
        
        for (int i = 1; i <= strings.size(); i++) {
            writer.write("Case #");
            writer.write(i + ": ");
            writer.write(strings.get(i-1));
            writer.write("\n");
        }
        
        writer.close();
    }
    
    public static List<String> readFile(File file) throws IOException {
        
        BufferedReader reader = new BufferedReader(new FileReader(file));
        
        String input = reader.readLine();
        List<String> result = new LinkedList<String>();
        
        while (!(input == null)) {
            result.add(input);
            input = reader.readLine();
        }
        
        reader.close();
        
        return result;
    }
}
