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 com.nitrous.codejam;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;

public class CodeJamProblem3 {
	public static void readFile(String inputFile) throws IOException {
		File in = new File(inputFile);
		File dir = in.getParentFile();
		File outFile = new File(dir, in.getName()+".out");
		System.out.println("Output file is "+outFile.getAbsolutePath());
		PrintWriter out = new PrintWriter(outFile);
		BufferedReader reader = new BufferedReader(new FileReader(in));
		
		String line = null;
		
		int testCaseCount = Integer.parseInt(reader.readLine().trim());
		System.out.println("Read count="+testCaseCount);
		for (int testCase = 0 ; testCase < testCaseCount; testCase++) {
			line = reader.readLine();
			
			String[] numStrArr = line.split(" ");
			int min = Integer.parseInt(numStrArr[0]);
			int max = Integer.parseInt(numStrArr[1]);
			int count = 0;
			for (int current = min; current <= max; current++) {
				count += countRecycled(current, max);
			}
			
			out.println("Case #"+(testCase+1)+": "+count);
		}
		out.flush();
		out.close();
	}

	private static int countRecycled(int current, int maxValue) {
		String curAsStr = String.valueOf(current);
		int maxLen = curAsStr.length();
		HashSet<Integer> unique = new HashSet<Integer>();
		for (int len = 1; len < maxLen; len++) {
			String move = curAsStr.substring(0, len);
			String mid = curAsStr.substring(len);
			String newStr = mid + move;
			while (newStr.length() > 1 && newStr.startsWith("0")) {
				newStr = newStr.substring(1);
			}
			int newNum = Integer.parseInt(newStr);
			if (newNum > current && newNum <= maxValue) {
				unique.add(newNum);
			}
		}
		return unique.size();
	}
	
	public static void main (String[] args) throws IOException {
		readFile("D:/workspace/CodeJam/data/C-large.in");
		
	}
}
