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 qualifying;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;

public class C {

		public static void main(String[] args) throws Exception {
			
			String fs_in = "/Users/ctynan/Downloads/test.txt";
			String fs_out = "/Users/ctynan/Documents/C-out.txt";
			String line;
			BufferedReader br = new BufferedReader(new FileReader(fs_in));
			BufferedWriter bw = new BufferedWriter(new FileWriter(fs_out));
			
			line=br.readLine();
			line=line.toLowerCase();
			int tst = Integer.valueOf(line);
			
			for(int ii=0;ii<tst; ii++) {
				line=br.readLine();
				String output = "Case #" + Integer.toString(ii+1) +": ";
				String[] tem = line.split(" ");
				int A = Integer.valueOf(tem[0]);
				int B = Integer.valueOf(tem[1]);
				int cnt=0;
				
				for(int i=A; i<B; i++) {
					String s = Integer.toString(i);
					int[] got = new int[12];
					int goti=0;
					
					for(int j=0; j<s.length(); j++) {
						String t = s.substring(j)+s.substring(0, j);
						int tm = Integer.valueOf(t);
						if(tm>i&&tm<=B) {
							boolean have = false;
							for(int l=0;l<goti;l++) 
								if(got[l]==tm) { have=true; break; }
							if(!have) {
								got[goti]=tm;
								goti++;
								cnt++;
							}
						}
					}
				}
				bw.write(output);
				bw.write(Integer.toString(cnt));
				if(ii<tst-1) bw.write('\n');
			}
			bw.close();
			return;
		}
}
