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.IOException;
import java.io.InputStreamReader;


public class C {
	public static void main(String[] args) {
		try {
			int num;
			BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
			String str = null;
			str = br.readLine();
			num = Integer.parseInt(str);
			for (int i = 0; i < num; i++) {
				String s = br.readLine();
				String arr[] = s.split("\\s+");
				int num1 = Integer.parseInt(arr[0]);
				int num2 = Integer.parseInt(arr[1]);
				int count = 0;
				for (int j = num1; j <= num2; j++) {
					String originalStr = "" + j;
					String numStr = originalStr;
					do {
						numStr = numStr.substring(1) + numStr.charAt(0);
						if (numStr.compareTo(originalStr) > 0) {
							if (Integer.parseInt(numStr) <= num2)
							count++;
						}
					} while (!numStr.equals(originalStr));
				}
				System.out.println("Case #" + (i+1) + ": " + count);
			}
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}	