
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;
import java.io.File;
import java.io.IOException;
import java.io.FileWriter;
import java.io.BufferedWriter;

public class Recycle
{
	public static void main(String[] args)
	{
/*		Set<Integer> perms = getPermutations(123456);
		
		for(Integer i: perms)
			System.out.println(i);*/
	
		try
		{
			Scanner s = new Scanner(new File("recycle.in"));
			BufferedWriter w = new BufferedWriter(new FileWriter(new File("recycle.out")));
			int numCases = s.nextInt();
			s.nextLine();
			
			for(int n = 1;n <= numCases; n++)
			{
				int A = s.nextInt();
				int B = s.nextInt();
				int count = 0;
				for(int k = A; k <= B; k++)
				{
					count += getNumPairs(k, B);
				}
				
				w.write("Case #" + n + ": " + count + "\n");
			}
			
			w.flush();
			w.close();
		}
		catch (IOException e)
		{
			e.printStackTrace();
		}
	}
	
	public static int getNumPairs(int n, int B)
	{
		Set<Integer> possibles = getPermutations(n);
		int count = 0;
		for(Integer i : possibles)
			if(i > n && i <= B)
				count++;
		return count;
	}
	
	public static Set<Integer> getPermutations(int n)
	{
		Set<Integer> perms = new TreeSet<Integer>();
		char[] digits = String.valueOf(n).toCharArray();
		
		for(int firstPos = 1; firstPos < digits.length; firstPos++)
		{
			String toBuild = "";
			for(int k = 0; k < digits.length; k++)
				toBuild += digits[(firstPos + k) % digits.length];
			perms.add(Integer.parseInt(toBuild));
		}
		return perms;
	}
	

}
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.io.IOException;
import java.util.Arrays;


public class Recycled {


	public static void main(String args[]) throws IOException
	{
		try
		{
			PrintWriter wt= new PrintWriter("C:\\Documents and Settings\\windows\\workspace\\test\\src\\file.out.txt");
			Scanner I = new Scanner(new File("C:\\Documents and Settings\\windows\\workspace\\test\\src\\C-small-attempt0.in"));
			String num = I.nextLine();
			int numTests = Integer.parseInt(num);

			for(int x=0; x<numTests; x++)
			{
				int a = I.nextInt();
				int b = I.nextInt();
				int count = 0;
				int arr[] = new int[b-a+1];

				for(int z = 0; z<(b-a+1); z++)
				{  arr[z] = a + z;
				;
				}

				for( int i = 0; i < (b-a+1); i++)
				{
					for(int j = i; j < (b-a+1); j++)
					{
						if( (arr[i] < arr[j]) && (i != j))
						{
							if (isRecycled(arr[i],arr[j])== true)
								count = count + 1;	 

						} 	
					}
				}
				//logic to write result to file
				String finalResult = "Case #"+(x+1)+": "+count;
				wt.println(finalResult);
			}
			wt.close();
			I.close();
		}
		catch(FileNotFoundException e)
		{
			e.printStackTrace();
		}

		catch(IOException e)
		{
			System.out.println(e);
		}
	}


	// Replacement algorithm
	public static boolean isRecycled(int a, int b)
	{  
		//also need to check for size of a and b ?? not needed if we directly compare


		String strA = Integer.toString(a);
		String strB = Integer.toString(b);
		String newStr = null;
		for (int i = 0; i<strB.length(); i++)
		{   
		    newStr = movedFirstToLast(strB);
		    strB = newStr;
			if(strA.equals(newStr))
			{
				return true;
			}
		}		  	
		return false;

	} 


	public static String movedFirstToLast(String a)
	{
		String newString = null;
		String firstChar = a.substring(0,1);
		newString = a.substring(1); // except first character
		newString = newString + firstChar;
        return newString;
	}


}		 

