import java.io.*;
import java.util.*;

public class C {

    void solve() throws IOException {
        in("C-large.in"); out("C-large.out");

        long tm = System.currentTimeMillis();
        boolean[] mask = new boolean[2000000];
        int[] r = new int[10];
        int t = readInt();
        for (int cs = 1; cs <= t; ++cs) {
            int a = readInt();
            int b = readInt();
            int ans = 0;
            for (int m = a + 1; m <= b; ++m) {
                char[] d = String.valueOf(m).toCharArray();
                int c = 0;
                for (int i = 1; i < d.length; ++i) {
                    if (d[i] != '0' && d[i] <= d[0]) {
                        int n = 0;
                        for (int j = 0; j < d.length; ++j) {
                            int jj = i + j;
                            if (jj >= d.length) jj -= d.length;
                            n = n * 10 + (d[jj] - '0');
                        }
                        if (n >= a && n < m && !mask[n]) {
                            ++ans;
                            mask[n] = true;
                            r[c++] = n;
                        }
                    }
                }
                for (int i = 0; i < c; ++i) {
                    mask[r[i]] = false;
                }
            }
            println("Case #" + cs + ": " + ans);
            //System.out.println(cs);
        }
        System.out.println("time: " + (System.currentTimeMillis() - tm));
        exit();
    }

    void in(String name) throws IOException {
        if (name.equals("__std")) {
            in = new BufferedReader(new InputStreamReader(System.in));
        } else {
            in = new BufferedReader(new FileReader(name));
        }
    }

    void out(String name) throws IOException {
        if (name.equals("__std")) {
            out = new PrintWriter(System.out);
        } else {
            out = new PrintWriter(name);
        }
    }

    void exit() {
        out.close();
        System.exit(0);
    }

    int readInt() throws IOException {
        return Integer.parseInt(readToken());
    }

    long readLong() throws IOException {
        return Long.parseLong(readToken());
    }

    double readDouble() throws IOException {
        return Double.parseDouble(readToken());
    }

    String readLine() throws IOException {
        st = null;
        return in.readLine();
    }

    String readToken() throws IOException {
        while (st == null || !st.hasMoreTokens()) {
            st = new StringTokenizer(in.readLine());
        }
        return st.nextToken();
    }

    boolean eof() throws IOException {
        return !in.ready();
    }

    void print(String format, Object ... args) {
        out.println(new Formatter(Locale.US).format(format, args));
    }

    void println(String format, Object ... args) {
        out.println(new Formatter(Locale.US).format(format, args));
    }

    void print(Object value) {
        out.print(value);
    }

    void println(Object value) {
        out.println(value);
    }

    void println() {
        out.println();
    }

    StringTokenizer st;

    BufferedReader in;
    PrintWriter out;

    public static void main(String[] args) throws IOException {
        new C().solve();
    }
}

package qualification.problemC;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.util.HashSet;
import java.util.Set;

public class ProblemC {

	static int num;
	static String[] lines;

	static String dir = "./src/qualification/problemC";
	static String inTxt = dir + "/C-large.in";
	static String outTxt = dir + "/C-large.out";

	public static void main(String[] args) {
		input(inTxt);
		String[] ansStrs = new String[num];
		for (int i = 0; i < lines.length; i++) {
			String[] strs = lines[i].split("\\s");
			int[] nums = new int[strs.length];
			for (int j = 0; j < strs.length; j++) {
				nums[j] = Integer.valueOf(strs[j]);
			}
			// Solve Problem
			int ans = solve(nums[0], nums[1]);
			ansStrs[i] = String.valueOf(ans);
		}
		output(outTxt, ansStrs);
	}

	static void input(String fname) {
		try {
			BufferedReader br = new BufferedReader(
					new InputStreamReader(
							new FileInputStream(fname)));
			String line = br.readLine();
			num = Integer.valueOf(line);
			System.out.println(num);
			lines = new String[num];
			for (int i = 0; i < num; i++) {
				lines[i] = br.readLine();
				System.out.println(lines[i]);
			}
			br.close();
		} catch (Exception e) {
			e.printStackTrace();
		}

	}
	static void output(String fname, String[] output) {
		File outFile = new File(fname);
		try {
			FileWriter fw = new FileWriter(outFile);
			for (int i = 0; i < num && i < output.length; i++) {
				String out = "Case #"+(i+1)+ ": " + output[i] + '\n';
				System.out.print(out);
				fw.write(out);
				fw.flush();
			}
			fw.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public static int solve(int min, int max) {
		int count = 0;
		char maxFirst = String.valueOf(max).charAt(0);
		for (int i = Math.max(10, min); i < max; i++) {
			String num = String.valueOf(i);
			char first = num.charAt(0);
			Set<Integer> set = new HashSet<Integer>();
			for (int j = 1; j < num.length(); j++) {
				char newFirst = num.charAt(j);
				if (newFirst < first || maxFirst < newFirst)
					continue;
				String tmp = num.substring(0, j);
				int newNum = Integer.valueOf(num.substring(j) + tmp);
				if (i < newNum && newNum <= max) {
					//System.out.println(num + ", " + newNum);
					set.add(newNum);
				}
			}
			count += set.size();
		}
		return count;
	}
}
