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.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;


public class gcj2012PBS {
	
	
	
	public String recycle(String num, int cycle) {
		if (cycle == 0) {
			return num;
		}
		
		
		String s = String.valueOf(num);
		int len = s.length();
		String temp = s.substring(len-1,len);
		
		
		
		String temp2 = s.substring(0,len-1);
		
		String result = temp+ temp2;
		
		
		
		
		return recycle(result, cycle-1);
		
		
	}

	
	
	public static void main(String[] args) {
		
		gcj2012PBS gc = new gcj2012PBS();
		
		
		String filenameIn = "C-small-attempt0.in";
		String filenameOut = "C-small-attempt0.out";
		FileIn fi = new FileIn(filenameIn);
		String s = fi.getString();
		String ss[] = s.split("\n");
		StringBuilder sb = new StringBuilder();
		int z = Integer.valueOf(ss[0]);
		boolean flag[] = new boolean[2000000];
		
		
		
		
		
		for (int i = 1; i <= z; i++) {
			Arrays.fill(flag, false);
			String tt[] = ss[i].split(" ");
			
			int a = Integer.valueOf(tt[0]);
			int b = Integer.valueOf(tt[1]);
			int answer = 0;
			
			
			String A = "";
			String B = "";
			A = String.valueOf(a);
			//æ¡æ°ã®åå¾
			int keta = A.length();
			if (keta == 1) {
				sb.append("Case #");
				sb.append(i);
				sb.append(": ");
				sb.append(answer);
				sb.append("\n");
				continue;
				
			}
			String ppp;
			String ooo;
			
			for(int x = a; x <= b; x ++) {
				boolean aaaaa=false;
				ppp = String.valueOf(x);
				ooo = ppp.substring(0, 1);
				for (int ok = 1; ok < keta ; ok++) {
					if(!ooo.equals(ppp.substring(ok,ok+1))) {
						aaaaa = true;
						break;
					}
				}
				
				if(!aaaaa) {
					flag[x] = true;
				}
			}
			
			for (int x = a; x <= b; x++) {
				ArrayList<Integer> list = new ArrayList<Integer>();
				
				
				
				for(int k = 1; k < keta; k++) {
					int result = Integer.valueOf(gc.recycle(String.valueOf(x), k));
					
//					if(result == 1212) {
//						int aa=1;
//					}
					
					if (!flag[result]){
					
						if(x >= a && result <= b && x < result) {
							
														
							if(list.indexOf(result) != -1) {
								continue;
							}
							list.add(result);
						
							answer++;
							
//							if(i == 4) {
//								System.out.println(x + " : " + result);
//							}
							//flag[x] = true;
							//flag[result]=true;
//							for(int k2 = 1; k2 < keta; k2++) {
//								result = Integer.valueOf(gc.recycle(String.valueOf(x), k2));
//								if(result >= a && result <= b && x < result) {
//									flag[result] = true;
//								}
//							}
							
						}
					}
				}
						
			
			
			
			
			
			
				
			
			
			
			}
			
			sb.append("Case #");
			sb.append(i);
			sb.append(": ");
			sb.append(answer);
			sb.append("\n");
		
			
		}
	
		
		
		
		
		
		
		new FileOut(filenameOut, sb.toString());
		
	
	}
	
	
}
