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.HashMap;
import java.util.Map;

public class Task3 {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new FileReader(new File("t.txt")));
        BufferedWriter writer = new BufferedWriter(new FileWriter(new File("out.txt")));
        int num = Integer.parseInt(reader.readLine().trim());
        for (int i = 0; i < num; i++) {
            String orig = reader.readLine();
            writer.write("Case #" + (i + 1) + ": ");
            String[] strs = orig.split(" +");
            int a = Integer.parseInt(strs[0]);
            int b = Integer.parseInt(strs[1]);
            int res = 0;
            for (int j = a; j < b + 1; j++) {
                String org = Integer.toString(j);
                String newStr = Integer.toString(j);
                int ind = 0;
                while (org.length() - 1 > ind) {
                    ind++;
                    newStr = newStr.substring(1) + newStr.charAt(0);
                    if (Integer.valueOf(newStr) >= a && Integer.valueOf(newStr) <= b && (Integer.valueOf(org) < Integer.valueOf(newStr))) {
                        res++;
                    }
                }
            }
            writer.write("" + res);
            if (i < num - 1) {
                writer.write('\n');
            }
        }
        writer.close();
        reader.close();
    }
}
