import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Recycled {
	public static void main(String[] args) throws Exception{
		String inputFile = "C-small-attempt0.in";
		
		BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));
		BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output")));
		long num_cases = Long.parseLong(input.readLine());
		int current_case = 0;
		
		while (current_case < num_cases){
			current_case++;
			
			String[] fields = input.readLine().split(" ");
			int A = Integer.parseInt(fields[0]);
			int B = Integer.parseInt(fields[1]);
			int total = 0;
			
			for (int n = A; n < B; n++){
				for (int m = n+1; m <= B; m++){
					if (isRecycled(n,m)) total++;
				}
			}
			
			System.out.println("Case #" + current_case + ": " + total);
			output.write("Case #" + current_case + ": " + total + "\n");
		}
		output.close();
	}

	private static boolean isRecycled(int n, int m) {
		String sn = ""+n;
		String sm = ""+m;
		if (sn.length() != sm.length()) return false;
		int totaln = 0, totalm = 0;
		for (int i = 0; i < sn.length(); i++){
			totaln += sn.charAt(i);
			totalm += sm.charAt(i);
		}
		if (totaln != totalm) return false;
		for (int i = 0; i < sn.length()-1; i++){
			sm = sm.charAt(sm.length() - 1) + sm.substring(0, sm.length() - 1);
			if (sm.equals(sn)) return true;
		}
		return false;
	}
}

import java.util.*;
import java.io.*;

public class Recycler{

	//Vector<int> possibilities = new Vector<int>(0,0);
	private static int[] slider;
	private static String numString;
	private static int rotCounter;
	private static int pairCount;
	private static String elements, toPrint;
	private static int testNum;
	private static Stack stack = new Stack();
	
	
	
	public static void main(String args[]){
		int testCounter = 1;
		System.out.println("working .....");
		try{
		BufferedReader bf = new BufferedReader(new FileReader(args[0]));
		PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter("output.out")), true);
		testNum = Integer.parseInt(bf.readLine());
		while((elements=bf.readLine()) != null){
		pairCount = 0;
		int end = Integer.parseInt(elements.split(" ")[1]);
		int start = Integer.parseInt(elements.split(" ")[0]);
		
		START : for (int i = start; i<=end;i++){
			if(Integer.toString(i).length() < 2) continue;
			for(int j=i+1; j<=end; j++){
				stackDigits(j);
				if(stack.search(i%10) == -1){
					stack = new Stack();
					continue;
				}else{
					//System.out.println(i+" "+j+" - "+stack.search(i%10));
					stack = new Stack();
				}
				
				for(int a : rotations(j)){
					if(a == i) pairCount++; //System.out.println("We've got a pair heuston "+i+" "+j);
					}
				
			}
		}
		toPrint = "Case #"+testCounter+": "+pairCount;
		pw.println(toPrint);
		testCounter++;
		}
		}catch(Exception e){
			e.printStackTrace();
		}
		System.out.println("Done!");
	}
	
	private static void stackDigits(int num){
		if(num/10 > 0) stackDigits(num/10);
		stack.push(num%10);
	}
	private static int[] rotations(int num){
		//possibilities.clear();
		numString = Integer.toString(num);
		rotCounter = 0;
		slider = new int[numString.length()];
		
		numString = numString.charAt(numString.length()-1)+numString.substring(0, numString.length()-1);
		slider[rotCounter] = Integer.parseInt(numString);
		
		while(num != slider[rotCounter]){
			rotCounter++;
			numString = numString.charAt(numString.length()-1)+numString.substring(0, numString.length()-1);
			slider[rotCounter] = Integer.parseInt(numString);
		}
		
		return slider;
	}

}