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.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Scanner;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;

public class GCJ2012QA
{

    public static <T> void main(String[] args) throws Exception
    {
        
        ExecutorService executor = Executors.newFixedThreadPool(8);
        Scanner sc = new Scanner(new FileReader("A-input.txt"));
        PrintWriter pw = new PrintWriter(new FileWriter("A-output.txt"));

        final int CASE_COUNT = sc.nextInt();
        for(int caseNum = 1; caseNum <= CASE_COUNT; caseNum++)
        {
            pw.print("Case #" + caseNum + ": ");
            int ans = 0;
            int A = sc.nextInt();
            int B = sc.nextInt();

            //int toGo = A + ((B - A) / 2);

            List<Future<Integer>> ress = new ArrayList<Future<Integer>>();
            for(int i = A; i <= B; i++)
            {
                Future<Integer> resf = executor.submit(new Calculate(A, B, i));
                ress.add(resf);
            }
            
            for(Future<Integer> aa : ress){
                ans += aa.get();
            }
            
            // PUT ANSWER HERE
            pw.println(ans);
        }
        executor.awaitTermination(100, TimeUnit.MILLISECONDS);
        executor.shutdown();
        pw.flush();
        pw.close();
        sc.close();
    }

    private static class Calculate implements Callable<Integer>{

        
        final int A, B, num; 
        
        public Calculate(int A, int B, int i){
            this.A = A;
            this.B = B;
            this.num = i;
        }
        
        @Override
        public Integer call() throws Exception
        {
            return rotateCount(A, B, num);
        }
        
        
    }
    
    private static int rotateCount(int A, int B, int num)
    {

        Set<Integer> cache = new HashSet<Integer>();
        if(num < 10)
        {
            return 0;
        }
        int res = 0;

        char[] a = String.valueOf(num).toCharArray();
        int size = a.length;
        for(int i = 1; i < size; i++)
        {

            int kk = Integer.parseInt(rotate(a,1));
            //System.out.println(num + " (" + Thread.currentThread().getName() + ") " + kk);
            if(kk > num && kk <= B && !cache.contains(kk))
            {
                //System.out.println(num + "," + kk);
                res++;
                cache.add(kk);
            }
        }

        return res;
    }

    private static String rotate( final char[] a, final int n ) {
        for(int i = 0; i < n; i++) {
            char tmp = a[a.length-1];
            for(int j = a.length-1; j >= 0; j--) {
                a[j] = j == 0 ? tmp : a[(j-1+a.length)%a.length];
            }
        }
        return new String(a);
    }

}
