import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;

public class ReadFile {
	public static void main(String[] args) throws Exception {
		String srcFile = "C:" + File.separator + "Documents and Settings"
				+ File.separator + "rohit" + File.separator + "My Documents"
				+ File.separator + "Downloads" + File.separator
				+ "C-small-attempt1.in.txt";
		String destFile = "C:" + File.separator + "Documents and Settings"
				+ File.separator + "rohit" + File.separator + "My Documents"
				+ File.separator + "Downloads" + File.separator
				+ "C-small-attempt0.out";
		File file = new File(srcFile);
		List<String> readData = new ArrayList<String>();
		FileReader fileInputStream = new FileReader(file);
		BufferedReader bufferedReader = new BufferedReader(fileInputStream);
		StringBuilder stringBuilder = new StringBuilder();
		String line = null;
		while ((line = bufferedReader.readLine()) != null) {
			readData.add(line);
		}
		stringBuilder.append(generateOutput(readData));
		File writeFile = new File(destFile);
		if (!writeFile.exists()) {
			writeFile.createNewFile();
		}
		FileWriter fileWriter = new FileWriter(writeFile);
		BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
		bufferedWriter.write(stringBuilder.toString());
		bufferedWriter.close();
		System.out.println("output" + stringBuilder);
	}

	/**
	 * @param number
	 * @return
	 */
	private static String generateOutput(List<String> number) {
		StringBuilder stringBuilder = new StringBuilder();
		for (int i = 0; i < number.size(); i++) {
			if (i == 0) {
				continue;
			} else {
				String tempString = number.get(i);
				String[] temArr = tempString.split(" ");
				stringBuilder.append("Case #" + i + ": ");
				stringBuilder.append(getRecNumbers(temArr[0], temArr[1]));
				stringBuilder.append("\n");
			}
		}
		if (stringBuilder.length() > 0) {
			stringBuilder.deleteCharAt(stringBuilder.length() - 1);
		}
		return stringBuilder.toString();
	}

	// /* This method accepts method for google code jam */
	// private static String method(String value) {
	// int intValue = Integer.valueOf(value);
	// double givenExpr = 3 + Math.sqrt(5);
	// double num = Math.pow(givenExpr, intValue);
	// String valArr[] = (num + "").split("\\.");
	// int finalVal = Integer.valueOf(valArr[0]) % 1000;
	//
	// return String.format("%1$03d", finalVal);
	//
	// }
	//
	// /* This method accepts method for google code jam */
	// private static String method2(String value) {
	// StringTokenizer st = new StringTokenizer(value, " ");
	// String test[] = value.split(" ");
	// StringBuffer str = new StringBuffer();
	//
	// for (int i = 0; i < test.length; i++) {
	// // test[i]=test[test.length-i-1];
	// str.append(test[test.length - i - 1]);
	// str.append(" ");
	// }
	// str.deleteCharAt(str.length() - 1);
	// String strReversedLine = "";
	//
	// while (st.hasMoreTokens()) {
	// strReversedLine = st.nextToken() + " " + strReversedLine;
	// }
	//
	// return str.toString();
	// }

	private static int getRecNumbers(String no1, String no2) {

		int a = Integer.valueOf(no1);
		int b = Integer.valueOf(no2);
		Set<String> dupC = new HashSet<String>();
		for (int i = a; i <= b; i++) {
			int n = i;
			List<String> value = findPerm(n);
			for (String val : value) {
				if (Integer.valueOf(val) <= b && Integer.valueOf(val) >= a
						&& n < Integer.valueOf(val)) {
					dupC.add(n + "-" + val);
				}
			}
		}
		return dupC.size();
	}

	private static List<String> findPerm(int num) {
		String numString = String.valueOf(num);
		List<String> value = new ArrayList<String>();
		for (int i = 0; i < numString.length(); i++) {
			String temp = charIns(numString, i);
			if (!temp.equalsIgnoreCase(numString)) {
				value.add(charIns(numString, i));
			}
		}
		return value;

	}

	public static String charIns(String str, int j) {
		String begin = str.substring(0, j);
		String end = str.substring(j);
		return end + begin;
	}
}
import java.io.*;
import java.util.*;
/**
 * Write a description of class Googlerese here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class RecycledNumbers
{
    public static BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
    
    private int x;
    private int max;
    public RecycledNumbers(int n)
    {
        x=0;
        max=n;
    }
    
        public int countdigit(int b)
        {
            int ctr=0;
            while(b>0)
            {
                b/=10;
                ctr++;
            }
            return ctr;
        }
        
        public int fact(int a)
        {
            int fact=1;
            int b=countdigit(a)-1;
                while(b>0)
                {
                    fact*=10;
                    b--;
                }
                return fact;
        }
                    
   public void input(int n,int m)
   {
       int success=0;
       for(int i=n;i<=m;i++)
       {
           for(int j=n;j<=m;j++)
           {
               if(j>i)
               {
                    if(calculate(i,j))
                        success++;
                }
           }
       }
        //System.out.println("Success="+success);
        
        System.out.print("Case #"+(x+1)+": ");
        System.out.println(success);
        x+=1;
        if(x==max)
            return;
       
    }
   
 
            
   public boolean calculate(int n,int m )
   {
     
     int cpy=countdigit(n);
     int aux=0;
     int success=0;
     
     int test=n;
    while(aux<cpy)
     //while(rd<cpy)
     {
         int x=fact(n);
         
         int y=n/x;
         n=n%(y*x);
         //System.out.println(n);
         n=n*10;
         n=n+y;
         while(cpy>countdigit(n))
            n*=10;
         
         //System.out.println(n);
         if(m==n)
         {
             //System.out.println(test+"="+m);
             //success++;
             return true;
         }
         aux++;
         
         
     }
         
     return false;
     
   }
    
    
    
    
    
    public void start()throws IOException
    {
        // put your code here
       int i=1; 
        File file = new File("C-small-attempt.txt");
    FileInputStream fis = null;
    BufferedInputStream bis = null;
    DataInputStream dis = null;

    try {
      fis = new FileInputStream(file);

      // Here BufferedInputStream is added for fast reading.
      bis = new BufferedInputStream(fis);
      dis = new DataInputStream(bis);

      // dis.available() returns 0 if the file does not have more lines.
      while (dis.available() != 0) {

          if(x==max)
            return;
      // this statement reads the line from the file and print it to
        // the console.
       // System.out.println(dis.readLine());
       String s=dis.readLine();
       StringTokenizer st=new StringTokenizer(s," ");
       while(st.hasMoreElements())
       {
          
            int x=Integer.parseInt(st.nextElement().toString());
           //System.out.println(x);
           
           int y=Integer.parseInt(st.nextElement().toString());
           //System.out.println(y);
           input(x,y);
           
      }
    }

      // dispose all the resources after using them.
      fis.close();
      bis.close();
      dis.close();

    } catch (FileNotFoundException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    }
  //Read File Line By Line
  
  //Close the input stream
  
  }
   
     
        
    public static void main(String[]args)throws IOException     
    {
        
        int n;
        do{
         n=Integer.parseInt(br.readLine());
        }while(n<1||n>50);
        RecycledNumbers obj=new RecycledNumbers(n);
        for(int i=0;i<n;i++)
        {
            
        obj.start();
        //System.out.println("Output");
        
    }}}
