package qual;

import java.util.Scanner;

public class RecycledNumbers {

	public static void main(String[] args) {
		new RecycledNumbers().run();

	}

	private void run() {
		Scanner sc = new Scanner(System.in);
		int T = sc.nextInt();
		for (int t = 0; t < T; t++) {
			int A = sc.nextInt();
			int B = sc.nextInt();
			int result = solve(A, B);
			System.out.printf("Case #%d: %d\n", t + 1, result);
		}
	}

	public int solve(int A, int B) {
		int result = 0;
		for (int i = A; i <= B; i++) {
			int dig = (int) Math.log10(A/*same as B*/) + 1;
			int aa = i;
			for (int d = 0; d < dig - 1; d++) {
				aa = (aa % 10) * (int)Math.pow(10, dig - 1) + (aa / 10);
				if (i == aa) {
					break;
				}
				if (i < aa && aa <= B) {
//					System.out.printf("(%d, %d) ", i, aa);
					result++;
				}
			}
		}
		return result;
	}

}

package common;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.InputStreamReader;

public class FileRead 
{
	public static StringBuffer read()
	{
		FileInputStream fstream=null;
		 DataInputStream in=null;
		 BufferedReader br=null;
		 StringBuffer sb=new StringBuffer("");
	  try
	  {
		  fstream = new FileInputStream("D:/tony/code jam/Recycledf Numbfers/C-small-attempt0.in");
		  in = new DataInputStream(fstream);
		  br = new BufferedReader(new InputStreamReader(in));
		  String strLine;
		  while ((strLine = br.readLine()) != null)   
		  {
			  sb=sb.append (strLine+"\n");
		  }
	  }
	  catch (Exception e)
	  {
		  System.err.println("Error: " + e.getMessage());
	  }
	 finally
	 {
		 try
		 {
			 br.close();
			 in.close();
			 fstream.close();
		 }
		 catch (Exception e)
		  {
			  System.err.println("Error: " + e.getMessage());
		  }
	}
	  return sb;
	  
	}
}
