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.*;
import java.util.*;

public class Recycled {

	public static void main(String[] args) {
		BufferedReader input = null;
		BufferedWriter output = null;
		try {
			input = new BufferedReader(new FileReader("C:\\Users\\cerebrus\\eclipse-workspace\\QualiC-Recycled\\src\\C-small-attempt0.in"));
			output = new BufferedWriter(new FileWriter("C:\\Users\\cerebrus\\eclipse-workspace\\QualiC-Recycled\\src\\C-small-attempt0.out"));
			
			int T = Integer.valueOf(input.readLine());
		    for(int i=1; i<=T; i++) {
		    	String nums[] = input.readLine().split(" ");
		    	int A = Integer.valueOf(nums[0]);
		    	int B = Integer.valueOf(nums[1]);
		    	output.write("Case #"+i+": ");
		    	
		    	if(A<10 || B<10)
		    		output.write("0");
		    	else if ((A == B) || (A > B))
		    		output.write("0");
		    	else {
		    		int count = 0;
		    		for(int j=A; j<B; j++) {
		    			String temp1 = Integer.toString(j);
		    			String temp = temp1 + temp1;
		    			Set<Integer> matches = new HashSet<Integer>();
		    			for(int k=1; k<temp1.length(); k++) {
		    				int m = Integer.valueOf(temp.substring(k, k+temp1.length()));
		    				if((m>j) && (m<=B))
		    					matches.add(m);
		    			}
		    			count += matches.size();
		    		}
		    		output.write(String.valueOf(count));
		    	}	
		        
		    	if(i<T) output.write("\n"); 
		    }
		    
		    
		} catch (FileNotFoundException e) {
			System.out.println("input file not found: ");
			e.printStackTrace();
		} catch(IOException e) {
			System.out.println("Error opening files: ");
		    e.printStackTrace();
		    System.exit(1);
		} finally {
			try {
				input.close();
				output.close();
				System.out.println("Done !!");
			} catch (IOException e) {
				System.out.println("Error closing files: ");
				e.printStackTrace();
			}
		}

	}

}
