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;
	}
}

package main;

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

public class RecycledNumbers {
	
	static int numberOfElementForEachTest = 2;
	static int numberOfLinesPerTest = 0;
	
	public static void main(String[] args) {
		Vector<Integer> elements = new Vector<Integer>();
		numberOfElementForEachTest = 0;
		
		Reader.setFile("input.txt");
		Writer.setFile("output.txt");
		
		String s = Reader.readLine();
		int numberTest = Integer.parseInt(s);
		
		for (int i=0; i<numberTest; i++) {
			numberOfElementForEachTest = 0;
			elements = new Vector<Integer>();
			
			s = Reader.readLine();
			String s1 = s.substring(0, s.indexOf(" "));
			s=s.substring(s.indexOf(" ")+1);
			
			int numberOfDigits = s1.length();
			int[] digits = new int[numberOfDigits];
			int firstNumber = Integer.parseInt(s1);
			int secondNumber = Integer.parseInt(s);
			
			int result = 0;
			switch (numberOfDigits)
			{
			case 1:
				break;
			case 2:
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10 + n1%10*10;
					if (n2>n1 && n2<=secondNumber) result++;
				}
				break;
			case 3:
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/100 + n1%100*10;
					if (n2>n1 && n2<=secondNumber) result++;
					
					n2 = n1/10 + n1%10*100;
					if (n2>n1 && n2<=secondNumber) result++;
				}
				break;
			case 4:
//				System.out.println(System.currentTimeMillis());
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/1000 + n1%1000*10;
					if (n2>secondNumber) n1 = (n1/1000 + 1) *1000; 
					else if (n2>n1) {
						result++;
					}
				}

				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/100 + n1%100*100;
					if (n2>secondNumber) n1 = (n1/100 + 1) *100; 
					else if (n2>n1) {
						result++;
					}
				}
				
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10 + n1%10*1000;
					if (n2>secondNumber) n1 = (n1/10 + 1) *10; 
					else if (n2>n1) {
						result++;
						if (n1/1000 == n1%100/10 && n1%1000/100 == n1%10) result--;
					}
				}
//				System.out.println(System.currentTimeMillis());
				break;
			case 5:
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10000 + n1%10000*10;
					if (n2>secondNumber) n1 = (n1/10000 + 1) *10000; 
					else if (n2>n1) {
						result++;
					}
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/1000 + n1%1000*100;
					if (n2>secondNumber) n1 = (n1/1000 + 1) *1000; 
					else if (n2>n1) {
						result++;
					}
				}

				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/100 + n1%100*1000;
					if (n2>secondNumber) n1 = (n1/100 + 1) *100; 
					else if (n2>n1) {
						result++;
					}
				}
				
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10 + n1%10*10000;
					if (n2>secondNumber) n1 = (n1/10 + 1) *10; 
					else if (n2>n1) {
						result++;
					}
				}
				break;
			case 6:
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/100000 + n1%100000*10;
					if (n2>secondNumber) n1 = (n1/100000 + 1) *100000; 
					else if (n2>n1) {
						result++;
					}
//					if (n2>n1 && n2<=secondNumber) result++;
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10000 + n1%10000*100;
					if (n2>secondNumber) n1 = (n1/10000 + 1) *10000; 
					else if (n2>n1) {
						result++;
					}
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/1000 + n1%1000*1000;
					if (n2>secondNumber) n1 = (n1/1000 + 1) *1000; 
					else if (n2>n1) {
						result++;
						if (n1/100000 == n1%10000/1000 &&
								n1%10000/1000 == n1%100/10 &&
								n1%100000/10000 == n1%1000/100 &&
								n1%1000/100 == n1%10) result-=2;
					}
				}

				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/100 + n1%100*10000;
					if (n2>secondNumber) n1 = (n1/100 + 1) *100; 
					else if (n2>n1) {
						result++;
					}
				}
				
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10 + n1%10*100000;
					if (n2>secondNumber) n1 = (n1/10 + 1) *10; 
					else if (n2>n1) {
						result++;
					}
				}
				break;
			case 7:
//				System.out.println(System.currentTimeMillis());
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/1000000 + n1%1000000*10;
					if (n2>secondNumber) n1 = (n1/1000000 + 1) *1000000; 
					else if (n2>n1) {
						result++;
					}
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/100000 + n1%100000*100;
					if (n2>secondNumber) n1 = (n1/100000 + 1) *100000; 
					else if (n2>n1) {
						result++;
					}
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10000 + n1%10000*1000;
					if (n2>secondNumber) n1 = (n1/10000 + 1) *10000; 
					else if (n2>n1) {
						result++;
					}
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/1000 + n1%1000*10000;
					if (n2>secondNumber) n1 = (n1/1000 + 1) *1000; 
					else if (n2>n1) {
						result++;
					}
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/100 + n1%100*100000;
					if (n2>secondNumber) n1 = (n1/100 + 1) *100; 
					else if (n2>n1) {
						result++;
					}
				}
				for (int n1=firstNumber; n1<secondNumber; n1++)
				{
					int n2 = n1/10 + n1%10*1000000;
					if (n2>n1 && n2<secondNumber) {
						result++;
					}
				}
//				System.out.println(System.currentTimeMillis());
				break;
				
			}
			
			
			Writer.writeln("Case #" + (i+1) + ": " + result);
			 
		}
		Writer.close();

	}
	
	public static final class Reader 
	{
		static BufferedReader in;
		
		public static void setFile(String fichier) {
			File file = new File(fichier);
			try {
				in =  new BufferedReader(new FileReader(file));
			} catch (FileNotFoundException e) {
			}
		}

		public static String readLine() {
			String line = null;
			try {
				line =  in.readLine();
			}
			catch (IOException e) {}
			
			return line;
		}
		
		public static String readAll() {
			String text = "";
			String line = "";
			while (line != null) {
				try {
					line = in.readLine();
				} 
				catch (IOException e) {
				}
				if (line != null) text += line + "\n";
			}
			return text;
		}
	}
	
	public static final class Writer 
	{
		static BufferedWriter out;
		
		public static void setFile(String file) {
			try{
				FileWriter fstream = new FileWriter(file);
				out = new BufferedWriter(fstream);
			}
			catch (Exception e){}
		}
		
		public static void write(String ligne) {
			try {
				out.write(ligne);
			}
			catch (Exception e){}
		}
		public static void writeln(String ligne) {
			try {
				out.write(ligne);
				out.write("\n");
			}
			catch (Exception e){}
		}

		public static void close() {
			try {
				out.close();
			}
			catch (Exception e){}
		}
	}
		
}
