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 jam2012;
import java.io.*;
import java.util.*;

// Marian G Olteanu
public class QC
{
	public static void main(String[] args)
	throws Exception
	{
		initRecycle(2020202);
		
		BufferedReader inputFile = new BufferedReader(new InputStreamReader(new FileInputStream(args[0])));
		int cases = Integer.parseInt(inputFile.readLine());
		
		PrintStream outFile = new PrintStream(new FileOutputStream(args[1]));
		for (int i = 1; i <= cases; i++)
		{
			String lineT[] = tokenize(inputFile.readLine());
			int A = Integer.parseInt(lineT[0]);
			int B = Integer.parseInt(lineT[1]);
			
			int out = 0;
			for (int j = A; j <= B; j++)
				if (recycle[j] != null)
					for (int e : recycle[j])
						if (e >= A)
							out++;	
			
			
			outFile.println("Case #" + i + ": " + out);
		}
		
		
		outFile.close();
		inputFile.close();
	}
	private static int[][] recycle;
	private static int totalR = 0;
	public static void initRecycle(int len)
	{
		recycle = new int[len][];
		Set<Integer> r = new HashSet<Integer>();
		for (int i = 0; i < recycle.length; i++)
		{
			String s1 = "" + i;
			
			for (int cut = 1; cut < s1.length(); cut++)
			{
				String s2 = s1.substring(cut) + s1.substring(0, cut);
				//System.out.println(s1 + ".." + s2);
				if (!s2.startsWith("0"))
				{
					int v2 = Integer.parseInt(s2);
					if (v2 < i)
						r.add(v2);
				}
			}
			//System.out.println(i + ": " + r);
			
			if (r.size() > 0)
			{
				recycle[i] = toArray(r);
				r.clear();
			}
		}
		//System.out.println(totalR);
	}
	
	private static int[] toArray(Collection<Integer> r)
	{
		int[] out = new int[r.size()];
		int i = 0;
		for (Integer e : r)
			out[i++] = e.intValue();
//		for (int i = 0; i < out.length; i++)
//			out[i] = r.get(i).intValue();
		
		totalR += out.length;
		return out;
	}
	
	
	
	
	public static String[] tokenize(String input)
	{
		StringTokenizer st = new StringTokenizer(input);
		String[] k = new String[st.countTokens()];
		for (int i = 0; i < k.length; i++)
			k[i] = st.nextToken();
		return k;
	}
	public static String[] tokenize(String input, String sep)
	{
		StringTokenizer st = new StringTokenizer(input , sep);
		String[] k = new String[st.countTokens()];
		for (int i = 0; i < k.length; i++)
			k[i] = st.nextToken();
		return k;
	}
	
}

