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 com.googlerese.file;

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

public class FileWrite {

    private static FileWrite fileWrite = new FileWrite();

    private FileWrite() {
    }

    public static FileWrite getInstance() {
        return fileWrite;
    }

    public final void write( final String fileName, final Map<Integer, String> output ) {
        FileWriter fstream = null;
        BufferedWriter out = null;
        try {
            // Create file 
            fstream = new FileWriter( fileName );
            out = new BufferedWriter( fstream );
            int size = output.size();
            for ( int i = 1; i <= size; i++ ) {
                final String outputStr =
                    new StringBuffer( "Case #" ).append( i ).append( ": " ).append( output.get( i ) ).toString();
                out.write( outputStr );
                if ( i != size ) {
                    out.newLine();
                }
            }

        } catch ( Exception e ) {//Catch exception if any
            System.err.println( "Error: " + e.getMessage() );
        } finally {
            //Close the output stream

            try {
                if ( out != null ) {
                    out.close();
                }
                if ( fstream != null ) {
                    fstream.close();
                }
            } catch ( IOException e ) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
}
