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.BufferedReader;
import java.io.IOException;
import java.io.StringReader;

public class Puzzle3 {

    public static String parseString(int q, String A) {
        String tmp = A.substring(q+1, A.length()) + A.substring(0,q+1);
        return tmp;
    }
    
    public static boolean isReclycled(String A, String B) {
        for(int i=0; i<A.length(); i++) {
            if(parseString(i, A).equals(B)) {
                return true;
            }
        }
        return false;
    }

    //O(n*m)
    public static int countRecyclesBetween(int A, int B) {
        int count = 0;
        for (int i=A; i< B; i++) {
            for(int j = i+1; j<= B; j++) {
                if(i == j ) continue;
                if(isReclycled(String.valueOf(i), String.valueOf(j))) {
                    count++;
                }
            }
        }
        
        return count;
    }


    private static String executeTestCase(String input) {

        String strOutput = "";
        BufferedReader in = new BufferedReader(new StringReader(input));
        int testCases = 0;
        try {
            testCases = Integer.valueOf(in.readLine());
        } catch (IOException e) {
            return "Invalid test case input at line 1";
        }

        try {
            if (testCases > 0) {
                for (int i = 1; i <= testCases; i++) {
                    String lines[] = in.readLine().split(" ");
                    int n = Integer.valueOf(lines[0]);
                    int m = Integer.valueOf(lines[1]);
                    strOutput+="Case #" + i + ": " + countRecyclesBetween(n,m) + "\n";
                }
            }
        } catch (Exception e) {
            return "Invalid test case input";
        }

        return strOutput.toString();

    }

    public static void main(String[] args) {

        String input = "50\n" +
                "3 4\n" +
                "156 971\n" +
                "302 482\n" +
                "163 919\n" +
                "148 941\n" +
                "19 59\n" +
                "109 959\n" +
                "140 945\n" +
                "155 963\n" +
                "137 975\n" +
                "172 928\n" +
                "12 37\n" +
                "123 933\n" +
                "113 925\n" +
                "444 756\n" +
                "10 11\n" +
                "112 977\n" +
                "143 938\n" +
                "149 997\n" +
                "158 938\n" +
                "104 957\n" +
                "117 928\n" +
                "159 967\n" +
                "171 951\n" +
                "128 921\n" +
                "676 676\n" +
                "440 440\n" +
                "125 939\n" +
                "116 949\n" +
                "100 100\n" +
                "10 99\n" +
                "117 950\n" +
                "128 972\n" +
                "158 938\n" +
                "178 941\n" +
                "143 975\n" +
                "100 999\n" +
                "956 969\n" +
                "176 938\n" +
                "124 966\n" +
                "181 967\n" +
                "190 956\n" +
                "145 940\n" +
                "187 994\n" +
                "167 996\n" +
                "167 921\n" +
                "135 916\n" +
                "156 926\n" +
                "170 994\n" +
                "103 955\n";
        

        System.out.println(executeTestCase(input));

    }
}
