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.Iterator;
import java.util.List;

public class Q3M {
	public static void main(String[] args) throws Exception {
		compute();
	}

	private static void compute() throws Exception {
		BufferedReader br = new BufferedReader(new FileReader(new File(
				"C:\\work\\Q3\\C-small-attempt0.in")));
		String line = null;
		int i = Integer.parseInt(br.readLine());
		List l = new ArrayList();
		for (int j = 0; j < i; j++) {
			line = br.readLine();
			String[] nums = line.split(" ");
			l.add(calculate(nums));
		}
		writeOutput(l);
	}

	private static int calculate(String[] nums) {
		int min = Integer.parseInt(nums[0]);
		int max = Integer.parseInt(nums[1]);
		int count = 0;
		List l = new ArrayList();
		for (int i = min; i <= max; i++) {
			for (int times = 1; times < countDigits(i); times++) {
				int res = shiftNum(i, times);
				if (res <= max && i < res) {
					if ((!l.contains((i + ":" + res)))) {
						l.add(i + ":" + res);
						l.add(res + ":" + i);
						count++;
					}
				}
			}
		}
		return count;
	}

	private static boolean checkZeros(int temp, int res) {
		if (temp % 10 == 0 || res % 10 == 0)
			return false;
		return true;
	}

	private static int shiftNum(int n, int times) {
		int base = (int) Math.pow(10, times);
		int temp2 = n / base;
		int placeHolder = (int) Math.pow((double) 10,
				(double) countDigits(temp2));
		int res = placeHolder * (n % base) + temp2;
		if (countDigits(res) == countDigits(n)) {
			return res;
		} else {
			return 2000001;
		}
	}

	public static int countDigits(int x) {
		if (x < 10)
			return 1;
		else {
			return 1 + countDigits(x / 10);
		}
	}

	private static void writeOutput(List l) throws Exception {
		StringBuffer b = new StringBuffer();
		int i = 1;
		BufferedWriter br = new BufferedWriter(new FileWriter(new File(
				"C:\\work\\Q3\\ans.txt")));
		for (Iterator iterator = l.iterator(); iterator.hasNext();) {
			br.write("Case #" + i++ + ": " + iterator.next());
			br.newLine();
		}
		br.close();
	}

}
package qualificationRound;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Scanner;

public class Q3Recycled {

	/**
	 * @param args
	 * @throws FileNotFoundException 
	 */
	public static void main(String[] args) throws FileNotFoundException {
		Scanner sc = new Scanner(new File("qualificationRound/C-small-attempt1.in"));
		PrintWriter out = new PrintWriter(new File("qualificationRound/out.txt"));

		int T = sc.nextInt();
		sc.nextLine();

		for (int tc = 1; tc <= T; tc++) {
			out.print("Case #"+tc+": ");
			System.out.print("Case #"+tc+": ");
			
			int A = sc.nextInt();
			int B = sc.nextInt();
			int count = 0;
			for (int n = A; n <= B; n++) {
				if (n >= 10) { // must be two digits at least
					String s = ""+n;

					/*boolean same = true;
					for (int j=1; j<s.length(); j++) {
						if (s.charAt(0) != s.charAt(j)) {
							same = false;
							break;
						}
					}
					if (!same) { // can't be a number like 88888
						if (s.length()%2 == 0 && s.substring(0,s.length()/2).equals(s.substring(s.length()/2,s.length()))) // if repeated sequence
							count += s.length()/2-1;
						else
							count += s.length()-1;
					} */

					String[] s2 = getStrings(s);
					for (int i=0; i<s2.length; i++) {
						try {
							int m = Integer.parseInt(s2[i]);
							if (n<m && m<=B)
								count++;
						} catch (Exception e) {
							break; // no more candidates
						}
					}
				}
			}
			out.println(count);
			System.out.println(count);
			out.flush();
		}
		out.close();
	}

	public static String[] getStrings(String s) {
		String[] out = new String[s.length()-1];
		for (int i=0; i<out.length; i++) {
			int split = s.length()-i;
			String newString = s.substring(split-1,s.length())+s.substring(0,split-1);
			boolean isnew = true;
			for (int j=0; j<i; j++)
				if (out[j].equals(newString)) {
					isnew = false;
					break;
				}
			if (isnew)
				out[i]=newString;
		}
		return out;
	}
}