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.File;
import java.io.FileReader;

public class Third {

	public static void main(String[] args) throws Exception {
		BufferedReader reader = new BufferedReader(new FileReader(new File(
				"/Users/narok119/Desktop/C-small-attempt0.in")));

		String txt = reader.readLine();
		int caseCount = 1;

		while ((txt = reader.readLine()) != null) {
			// Form the input
			String[] info = txt.split(" ");
			int a = Integer.parseInt(info[0]);
			int b = Integer.parseInt(info[1]);
			int output = 0;

			for (int n = a; n < b; n++) {
				for (int m = n + 1; m <= b; m++) {
					String ns = n + "";
					String ms = m + "";
					if (ns.length() == ms.length()) {
						for (int i = 0; i < ns.length(); i++) {
							String ms1 = ms.substring(0, i);
							String ms2 = ms.substring(i);
							if ((ms2 + ms1).equals(ns)) {
								output++;
								break;
							}
						}
					}
				}
			}
			System.out.println("Case #" + caseCount++ + ": " + output);
		}
	}

}
