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.*;

public class RecycledNumbers{
	
	
	int nCases,aa,bb,recycled,savei;
	String listString = "";
	int d=0;
	char c1,c2,c3;
	String a,b;
	ArrayList n=new ArrayList();
	ArrayList m=new ArrayList();
	List<Integer> digits1 = new ArrayList<Integer>();
	List<Integer> digits2 = new ArrayList<Integer>();
	int count=0;
	Integer i,j;
	Integer digitn[],digitm[];
	Integer ia[];
	
	public void recycle(){
		try{
			
	
			FileReader in = new FileReader("E:/C-small-attempt0.in");
		BufferedReader buff = new BufferedReader(in);
		PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("E:/C-small-attempt0.out")));
		nCases= Integer.parseInt(buff.readLine());
			 
			 for (Integer counter = 0; counter < nCases; counter++) {
			 	
			  String[] data = (buff.readLine()).split(" ");
                 a = data[0];
                 b = data[1];
                
                System.out.println(a+","+b);
                if(a.length()==b.length()){
                aa=Integer.parseInt(data[0]);
                bb=Integer.parseInt(data[1]);
                if(a.length()!=1 && b.length()!=1){
                
                for(i=aa;i<=bb;i++){
                	
                	//if(i==114){System.out.println("wherererererere "+i+j); }
                	
                	for(  j=i+1;(j<=bb && j>i);j++){
                		
                		//if(i==114){System.out.println("--------------------- "+i+j); }
                		
                		for(Integer o=0;o<(i.toString()).length();o++){
                			c3=(i.toString()).charAt(0);
                                         if(c3=='0') break;
                				for(Integer k=0;k<(j.toString()).length();k++){
                				
                			
                				 c1=(i.toString()).charAt(o);
                				
                				 
                				 c2=(j.toString()).charAt(k);
                				
                				if( Character.getNumericValue(c1)== Character.getNumericValue(c2)){
                			
                						count=count+1;
                						if(i==114 && j==411){System.out.println("count "+count); }
                					
                				}
                		
                			
                				}
                		
                		}
                		if(count>=(i.toString()).length()){
                		  
                		  savei=i;
                		 	while (i>0 ) {
                           digits1.add(0, i%10);
                            i=i/10;
                             }
                             i=savei;
                             for(int ro=0;ro<digits1.size();ro++){
                             	
                             if (ro==0)Collections.rotate(digits1, 1);
                             	
                             

                      for (Integer s : digits1)
                     {
                       listString += s.toString();
                     }  
                     	
                     	
                		 	 if(Integer.parseInt(listString)==j){
                		 	 	
                		 	 	//System.out.println("matched"+i+"==="+j);
                		 	 	recycled=recycled+1;
                		 	 	
                		 	 	digits1.clear();
                		 	 	listString="";
                		 	 	i=savei;
                		 	 
                		 	 	break;
                		 	 }
                		 	 else{
                		 	 	
                		 	 	listString="";
                		 	 	Collections.rotate(digits1, 1);
                		 	 		
                		 	 			i=savei;
                		 	 }
                		 	 
                		 	
                             }digits1.clear();
                		     
                		  	count=0;
                		} 
                		else count=0;
                		
                		
 

                		
                	} 
                }
               
			 
			 
	//	
		}
        }
        
        out.println("Case #" + (counter + 1) + ": "
					+ recycled);
					recycled=0;
		}
		in.close();
		out.close();
		} 
		catch(Exception e){
			System.out.println(e);			
		}
		
		
		
	}
	
	 

	
	public static void main(String arg[]){
		
		
		RecycledNumbers rc=new RecycledNumbers();
		rc.recycle();
	
		
	}
}