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.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.LinkedList;
import java.util.StringTokenizer;


public class Principal 
{
	public static void main(String [] args) throws IOException
	{
		Secundaria sec = new Secundaria();
		
		FileReader fr = new FileReader("C-small-attempt1.in");
		BufferedReader bf = new BufferedReader(fr);
		
		FileWriter bw = new FileWriter("C-small-attempt1.out");
		
		int res;
		int times = Integer.parseInt(bf.readLine());
		
		String str = bf.readLine();
		int i = 1;
		while(i <= times)
		{
			StringTokenizer st = new StringTokenizer(str);	
			int primero = Integer.parseInt(st.nextToken());
			int segundo = Integer.parseInt(st.nextToken());
			bw.write("Case #");
			bw.write(String.valueOf(i));
			bw.write(": ");
			res = sec.nVeces(primero, segundo);
			bw.write(Integer.toString(res));
			bw.write("\n");
			str = bf.readLine();
			i++;
		}
		bw.close();
	}
}
