
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.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;


public class RecycledNumbers {
	long totalCases = 0;
	
	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {
		// TODO Auto-generated method stub
		new RecycledNumbers().solve();
	}
	
	public void solve() throws Exception {
		BufferedReader br = null;
		PrintWriter pw = null;
		try {
			br = new BufferedReader(new FileReader("smallinput2.txt"));
			pw = new PrintWriter(new FileWriter("smalloutput2.txt"));
			String str = "";
			if ((str = br.readLine()) != null) {
				System.out.println(str);
				totalCases = Integer.parseInt(str);
				System.out.println("Total cases:" + totalCases);
			}

			for (int ctr=1;ctr<=totalCases;ctr++) {
				str = br.readLine();
				System.out.println("Input string:" + str);
				String[] strArr = str.split(" ");
				String str1 = strArr[0];
				String str2 = strArr[1];
				long num1 = Long.parseLong(str1);
				long num2 = Long.parseLong(str2);
				int len = str1.length();
				int totalCount = 0;
				Set numSet = new HashSet();
				for (long l1 = num1; l1 < num2; l1++) {
					String str3 = new Long(l1).toString();
					for (long l2 = l1+1; l2 <= num2; l2++) {
						String str4 = new Long(l2).toString();
						//System.out.println("Matching " + str3 + "," + str4);
						if (len == 2) {
							String originalString = str3.substring(0,1)+str3.substring(1,2);
							String recycledString = str4.substring(1,2)+str4.substring(0,1);
							//System.out.println("recycledString:" + recycledString);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4);
							}
						}
						if (len == 3) {
							String originalString = str3.substring(0,1)+str3.substring(1,2)+str3.substring(2,3);
							String recycledString = str4.substring(2,3)+str4.substring(0,1)+str4.substring(1,2);
							//System.out.println("recycledString:" + recycledString);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(1,2)+str4.substring(2,3)+str4.substring(0,1);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4);
							}
						}
						if (len == 4) {
							String originalString = str3.substring(0,1)+str3.substring(1,2)+str3.substring(2,3)+str3.substring(3,4);
							String recycledString = str4.substring(3,4)+str4.substring(0,1)+str4.substring(1,2)+str4.substring(2,3);
							//System.out.println("recycledString:" + recycledString);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(2,3)+str4.substring(3,4)+str4.substring(0,1)+str4.substring(1,2);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(1,2)+str4.substring(2,3)+str4.substring(3,4)+str4.substring(0,1);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
						}
						if (len == 5) {
							String originalString = str3.substring(0,1)+str3.substring(1,2)+str3.substring(2,3)+str3.substring(3,4)+
									str3.substring(4,5);
							String recycledString = str4.substring(4,5)+str4.substring(0,1)+str4.substring(1,2)+str4.substring(2,3)+
									str4.substring(3,4);
							//System.out.println("recycledString:" + recycledString);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(3,4)+str4.substring(4,5)+str4.substring(0,1)+str4.substring(1,2)+
									str4.substring(2,3);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(2,3)+str4.substring(3,4)+str4.substring(4,5)+str4.substring(0,1)+
									str4.substring(1,2);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(1,2)+str4.substring(2,3)+str4.substring(3,4)+str4.substring(4,5)+
									str4.substring(0,1);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
						}
						if (len == 6) {
							String originalString = str3.substring(0,1)+str3.substring(1,2)+str3.substring(2,3)+str3.substring(3,4)+
									str3.substring(4,5)+str3.substring(5,6);
							String recycledString = str4.substring(5,6)+str4.substring(0,1)+str4.substring(1,2)+str4.substring(2,3)+
									str4.substring(3,4)+str4.substring(4,5);
							//System.out.println("recycledString:" + recycledString);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(4,5)+str4.substring(5,6)+str4.substring(0,1)+str4.substring(1,2)+
									str4.substring(2,3)+str4.substring(3,4);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(3,4)+str4.substring(4,5)+str4.substring(5,6)+str4.substring(0,1)+
									str4.substring(1,2)+str4.substring(2,3);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(2,3)+str4.substring(3,4)+str4.substring(4,5)+str4.substring(5,6)+
									str4.substring(0,1)+str4.substring(1,2);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(1,2)+str4.substring(2,3)+str4.substring(3,4)+str4.substring(4,5)+
									str4.substring(5,6)+str4.substring(0,1);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
						}						
						if (len == 7) {
							String originalString = str3.substring(0,1)+str3.substring(1,2)+str3.substring(2,3)+str3.substring(3,4)+
									str3.substring(4,5)+str3.substring(5,6)+str3.substring(6,7);
							String recycledString = str4.substring(6,7)+str4.substring(0,1)+str4.substring(1,2)+str4.substring(2,3)+
									str4.substring(3,4)+str4.substring(4,5)+str4.substring(5,6);
							//System.out.println("recycledString:" + recycledString);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(5,6)+str4.substring(6,7)+str4.substring(0,1)+str4.substring(1,2)+
									str4.substring(2,3)+str4.substring(3,4)+str4.substring(4,5);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(4,5)+str4.substring(5,6)+str4.substring(6,7)+str4.substring(0,1)+
									str4.substring(1,2)+str4.substring(2,3)+str4.substring(3,4);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(3,4)+str4.substring(4,5)+str4.substring(5,6)+str4.substring(6,7)+
									str4.substring(0,1)+str4.substring(1,2)+str4.substring(2,3);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(2,3)+str4.substring(3,4)+str4.substring(4,5)+str4.substring(5,6)+
									str4.substring(6,7)+str4.substring(0,1)+str4.substring(1,2);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
							recycledString = str4.substring(1,2)+str4.substring(2,3)+str4.substring(3,4)+str4.substring(4,5)+
									str4.substring(5,6)+str4.substring(6,7)+str4.substring(0,1);
							if (recycledString.equals(originalString)) { 
								//System.out.println("OriginalString:" + str3 + ",MatchingString:" + str4);
								numSet.add(str3+str4); 
							}
						}						

					}
				}
				System.out.println("TotalCount:" + numSet.size());
				pw.print("Case #" + (ctr) + ": " + numSet.size() + "\n");
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			br.close();
			pw.close();
		}
	}
	
}
