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;
	}
}

import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.PrintWriter;
import java.util.ArrayList;

public class RecycledNumbers2 {

	public static int analizar(String first, String second ){
		ArrayList<String> dupList=new ArrayList<String>();
		int contador=0;
		int primero=Integer.parseInt(first);
		int segundo=Integer.parseInt(second);
		for(int i=primero;i<=segundo;i++){
			for(int j=i+1;j<=segundo;j++){
				for(int k=1;k<first.length();k++){
					String uno=""+i;
					String dos=""+j;
					String fm=convertir(k, uno);
					if(fm.equals(dos)&&!dupList.contains(uno+"-"+dos))
					{
						if(uno.startsWith("0")||dos.startsWith("0")){						
							System.out.println(uno+"-"+dos);
						}
						contador++;
						dupList.add(uno+"-"+dos);
					}
				}
			}
		}
		return contador;
	}

	public static String convertir(int k, String primero){
		String acumulador="";
		for(int i=0;i<k;i++)	
		{
			acumulador=primero.charAt(primero.length()-1)+acumulador;
			primero=primero.substring(0, primero.length()-1);
		}
		primero=acumulador.concat(primero);

		return primero;
	}

	public static void main(String[] args) {
		try {
			FileOutputStream fos=new FileOutputStream(new File("data/outC.txt"));
			BufferedReader br=new BufferedReader(new FileReader("data/C-small-attempt0.in"));
			PrintWriter pw=new PrintWriter(fos);

			String a=br.readLine();
			System.out.println("Ignore"+a);
			int contador=0;
			while((a=br.readLine())!=null)
			{
				contador++;
				System.out.println("Case #"+contador+": "+a);
				String first=a.split(" ")[0];
				String second=a.split(" ")[1];
				int temp=analizar(first, second);
				System.out.println(temp);
				pw.println("Case #"+contador+": "+temp );
			}
			pw.close();
		} catch (Exception e){}	}
}