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 c;

import java.io.*;
import java.lang.Math.*;
import java.util.Arrays;

public class C {

	public static void main(String[] args) {

		try {
			BufferedReader input = new BufferedReader(new FileReader("C:/CodeJam/C-large.in"));
			BufferedWriter output = new BufferedWriter(new FileWriter("C:/CodeJam/C-large.out"));
			try {
				int T = Integer.parseInt(input.readLine());

				//Process each case
				for (int i = 0; i < T; i++) {
					String line = input.readLine();
					String[] AB = line.split(" ");
					int A = Integer.parseInt(AB[0]);
					int B = Integer.parseInt(AB[1]);
					String max = String.valueOf(B);

					//Check every n,m pair for cur case
					int count = 0;
					for (int j = A; j < B; j++) {
						String n = String.valueOf(j);
						String m = n;
						int len = m.length();
						//For single digit numbers, no matches possible
						if (len == 1) {
							break;
						}
						//Check each possible match for current n
						int[] matches = new int[len];
						int subcount = 0;
						for (int k = 0; k < len; k++) {
							//Check current permutation of m for valid range
							if (m.compareTo(n) > 0 && m.compareTo(max) <= 0) {
								matches[subcount] = Integer.parseInt(m);
								subcount++;
							}
							//Move the last digit to the front
							m = m.substring(len - 1, len) + m.substring(0, len - 1);
						}
						//Check the matches for duplicates and uncount them
						Arrays.sort(matches);
						for (int k = 0; k < len - 1; k++) {
							if(matches[k] != 0 && matches[k+1] != 0 && matches[k] == matches[k+1]) {
								subcount--;
							}
						}
						count += subcount;
					}

					System.out.println("Case #" + (i + 1) + ": " + count);
					output.write("Case #" + (i + 1) + ": " + count + "\n");
				}
			} finally {
				input.close();
				output.close();
			}
		} catch (IOException ex) {
			ex.printStackTrace();
		}
	}
}
