package it.simone.google.code.jam2012;

import java.util.HashSet;
import java.util.Set;

public class RecycledNumber implements GoogleCodeExercise {

	int a = 0;
	int b = 0;
	Set<Couple> distinctCouple = null;
	long maxTime = 0;

	private class Couple {
		int x = 0;
		int y = 0;

		public Couple(int x, int y) {
			this.x = x;
			this.y = y;
		}

		@Override
		public int hashCode() {
			final int prime = 31;
			int result = 1;
			result = prime * result + getOuterType().hashCode();
			result = prime * result + x;
			result = prime * result + y;
			return result;
		}

		@Override
		public boolean equals(Object obj) {
			if (this == obj)
				return true;
			if (obj == null)
				return false;
			if (getClass() != obj.getClass())
				return false;
			Couple other = (Couple) obj;
			if (!getOuterType().equals(other.getOuterType()))
				return false;
			if (x == other.x && y == other.y)
				return true;
			if (x == other.y && y == other.x)
				return true;
			return false;
		}

		private RecycledNumber getOuterType() {
			return RecycledNumber.this;
		}

	}

	@Override
	public String execute(String line) {
		int result = 0;

		String[] data = line.split(" ");
		a = Integer.parseInt(data[0]);
		b = Integer.parseInt(data[1]);
		initialize();

		int n = a;
		//
		while (n <= b) {
			result += analize(n);
			n++;
//			if (n % 1000 == 0)
//				System.out.println(n);
		}

		System.out.println(result);
		return "" + result;
	}

	@Override
	public void initialize() {
		distinctCouple = new HashSet<Couple>();
	}

	private int analize(int number) {
		String numString = "" + number;
		initialize();
		for (int i = 1; i < numString.length(); i++) {
			int m = shift(numString, i);
			if (a <= number && number < m && m <= b) {
				Couple couple=new Couple(number,m);
				if (!distinctCouple.contains(couple))
					distinctCouple.add(couple);
			}
		}
		return distinctCouple.size();
	}

	private int shift(String numString, int posx) {

		String result = null;
		result = "" + numString.substring(posx) + numString.substring(0, posx);

		return Integer.parseInt(result.toString());
	}

}

import java.util.*;
import java.io.*;
import java.math.BigInteger;
import static java.lang.Math.*;

public class B implements Runnable {
	final String fileName = "C-large";

	private void solution() throws IOException {
		if (!fileName.isEmpty()) {
			in = new Scanner(new FileReader(fileName + ".in"));
			out = new PrintWriter(fileName + ".out");
		}
		int n = in.nextInt();
		for (int cas = 1; cas <= n; ++cas) {
			out.printf("Case #%d: %s\n", cas, solve(in.nextInt(), in.nextInt()));
		}
	}

	private long solve(int left, int right) {
		int length = ("" + left).length();
		int p10 = (int) (Math.pow(10, length - 1) + 0.5);
		long res = 0;
		int[] used = new int[right + 1];
		for (int cur = left; cur <= right; ++cur) {
			int value = cur;
			for (int step = 0; step < length - 1; ++step) {
				value = (value % 10) * p10 + (value / 10);
				if (left <= value && value <= right && value != cur) {
					if (used[value] != cur) {
						used[value] = cur;
						++res;
					}
				}
			}
		}
		return res / 2;
	}

	public void run() {
		try {
			solution();
			in.reader.close();
			out.close();
		} catch (Throwable e) {
			e.printStackTrace();
			System.exit(1);
		}
	}

	private void debug(Object... objects) {
		System.out.println(Arrays.toString(objects));
	}

	private static class Scanner {
		private BufferedReader reader;
		private StringTokenizer tokenizer;

		public Scanner(Reader reader) {
			this.reader = new BufferedReader(reader);
			this.tokenizer = new StringTokenizer("");
		}

		public boolean hasNext() throws IOException {
			while (!tokenizer.hasMoreTokens()) {
				String line = reader.readLine();
				if (line == null) {
					return false;
				}
				tokenizer = new StringTokenizer(line);
			}
			return true;
		}

		public String next() throws IOException {
			hasNext();
			return tokenizer.nextToken();
		}

		public int nextInt() throws IOException {
			return Integer.parseInt(next());
		}

		public double nextDouble() throws IOException {
			return Double.parseDouble(next());
		}

		public long nextLong() throws IOException {
			return Long.parseLong(next());
		}

		public String nextLine() throws IOException {
			tokenizer = new StringTokenizer("");
			return reader.readLine();
		}

		public int[] nextInts(int n) throws IOException {
			int[] res = new int[n];
			for (int i = 0; i < n; ++i) {
				res[i] = nextInt();
			}
			return res;
		}

		public long[] nextLongs(int n) throws IOException {
			long[] res = new long[n];
			for (int i = 0; i < n; ++i) {
				res[i] = nextLong();
			}
			return res;
		}

		public double[] nextDoubles(int n) throws IOException {
			double[] res = new double[n];
			for (int i = 0; i < n; ++i) {
				res[i] = nextDouble();
			}
			return res;
		}

		public String[] nextStrings(int n) throws IOException {
			String[] res = new String[n];
			for (int i = 0; i < n; ++i) {
				res[i] = next();
			}
			return res;
		}
	}

	public static void main(String[] args) throws Exception {
		new Thread(null, new B(), "Main", 1 << 28).start();
	}

	private Scanner in = new Scanner(new InputStreamReader(System.in));
	private PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));
}
