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;
	}
}
/**
 *
 * @author amit
 */
import java.io.*;
import java.util.HashSet;
import java.util.Set;
//import java.util.Arrays;
//import java.math.BigInteger;

public class GCJ {

	BufferedReader rin;
	BufferedWriter wout;
	int numCases;

	public String calculate(long A, long B) {
		long count =0;
		for(long i=A;i<B;i++){
			String s = Long.toString(i);
			int Bl = Long.toString(B).length();
			int Al = s.length();
			//System.out.println("\n"+s);
			//System.out.println("\n" + Al + " " + Bl);
			Set<Long> set = new HashSet<Long>();
			for(int k=0;k<=Bl-Al;k++) {

				//System.out.println("\n"+s);

				
				for(int j=0;j<s.length();j++){
					//System.out.println("\nS: " + s);
					s = s.substring(s.length()-1) + s.substring(0, s.length()-1);
					//System.out.println("\nS new: " + s);
					long num = Long.parseLong(s);
					if (num>=A && num<=B && i<num) {
						if(!set.contains(num)) {
							set.add(num);
							//System.out.println("\nCounted: " + i + " " + num);
							count++;
						}
					}

				}
				//System.out.println("\nS newnew: " + s);
				s = "0" + s;
			}
		}
		return Long.toString(count);
	}

	public String getNextInput() {
		try {
			String line = rin.readLine();
			String[] aVars = line.split(" ");
			long A = Long.parseLong(aVars[0]);
			long B = Long.parseLong(aVars[1]);
			return calculate(A,B);

		} catch (IOException e) {
			System.out.println("File Error! Could not read line from file");
		}
		return null;
	}

	public void writeNextOutput(String s) {
		try {
			wout.write(s);
			wout.write("\n");
		} catch (IOException e) {
			System.out.println("Error! Could not write to the file!");
		}
	}

	public GCJ(String s1, String s2) {
		try {
			rin = new BufferedReader(
					new FileReader(s1));
			wout = new BufferedWriter(new FileWriter(s2));
			numCases = Integer.parseInt(rin.readLine());

			for(int i=1; i <= numCases; i++){
				System.out.println("case#" + i);
				String sout = getNextInput();
				sout = "Case #" + Integer.toString(i) + ":" + " " + sout;
				writeNextOutput(sout);
				//System.out.println("case#" + i);
			}
			rin.close();
			wout.close();
		} catch (IOException e) {
			System.out.println("File error");
			System.exit(0);
		}
	}

	public static void main(String[] args) {/*
        if (args.length!=2) {
        System.out.println("Enter input file!");
        System.exit(0);
        }*/
		GCJ a = new GCJ("infile.txt", "out.txt");
	}
}
