import java.util.HashSet;
import java.util.Scanner;

public class C {

	static HashSet p = new HashSet();
	static int low;
	static int high;
	int count = 0;

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int no = sc.nextInt();

		for (int i = 1; i <= no; i++) {

			p.clear();
			low = sc.nextInt();
			high = sc.nextInt();

			for (int l = low; l <= high; l++) {
				recycle(l);
			}
			System.out.println("Case #" + i + ": " + p.size());

		}
	}

	public static void recycle(int no) {

		String s = Integer.toString(no);
		for (int i = 0; i < s.length(); i++) {
			String rec = s.substring(i) + s.substring(0, i);
			int r = Integer.parseInt(rec);
			if (r != no && r >= low && r <= high) {
				int min = Math.min(r, no);
				int max = Math.max(r, no);
				String a = Integer.toString(min) + "" + Integer.toString(max);
				p.add(a);

			}
		}

	}
}

package recycledNumbers;

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;

public class Flow {

	public static InputData Readin(String filename){
		try {
			FileReader fr = new FileReader(filename);
			Scanner  sc = new Scanner(fr);  
	        
	        int Test_Number = sc.nextInt();
	        System.out.println("The Number of Tests: "+Test_Number);
	        
	        int[] A = new int[Test_Number];
	        int [] B = new int[Test_Number];
	        for(int i=0;i<Test_Number;i++){
	        	int testA = sc.nextInt();
	        	A[i] = testA;
	        	
	        	int testB = sc.nextInt();
	        	B[i] = testB;        	
	        	
	        	
	        	System.out.print("Test "+(i+1)+" "+testA+" ");
	        	System.out.println(testB+" ");
	        }
	        
	        sc.close();
	        
	        InputData inputdata = new InputData(Test_Number, A, B);
	        return inputdata;
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return null;  
		}

	}

	public static void Writeout(OutputData outputdata, String filename) {
		// TODO Auto-generated method stub
		try {
			PrintWriter pw = new PrintWriter(new FileWriter(filename));
			
			int Test_Number = outputdata.getSteps().length;
			for(int i=0;i<Test_Number;i++){
				pw.println("Case #"+(i+1)+": "+outputdata.getSteps()[i]);
			}
			
			pw.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}
}
