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.google.cj;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;

public class Recycling {
	public static void main(String[] args) {
		List<String> fileContents = IOHandler
				.readInput("/home/wzedan/cj/input/recycling.in");

		List<String> output = getPairs(fileContents);
		IOHandler.writeOutput(output, "/home/wzedan/cj/output/recycling.out");
	}

	private static List<String> getPairs(List<String> fileContents) {
		List<String> output = new ArrayList<String>();

		for (String line : fileContents) {
			StringTokenizer st = new StringTokenizer(line);
			String lowerLimit = st.nextToken();
			String upperLimit = st.nextToken();

			if (lowerLimit.length() == 1 && upperLimit.length() == 1) {
				output.add("" + 0);
				continue;
			}
			int maxShiftFactor = upperLimit.length() - 1;
			List<String> refCharacters = new ArrayList<String>();
			buildRefCharacters(lowerLimit, upperLimit, refCharacters);
			int noOfPairs = 0;
			List<Entry> shiftedList = new ArrayList<Entry>();
			for (int distance = 1; distance <= maxShiftFactor; distance++) {
				System.out.println("Distance = [" + distance + "]");
				shiftedList.addAll(shiftList(refCharacters, distance,
						Integer.valueOf(upperLimit) , Integer.valueOf(lowerLimit)));
				Set<Entry> s = new HashSet<Entry>(shiftedList);
				shiftedList.clear();
				shiftedList.addAll(s);
//				System.out.println("ShiftedList length [" + shiftedList.size() + "]");
//				System.out.println(shiftedList);
				
				
			}
//			System.out.println("No of pairs [" + shiftedList.size()
//					+ "] for lowerLimit [" + lowerLimit
//					+ "] and upperLimt [" + upperLimit + "]");

			output.add("" + shiftedList.size());
		}
		return output;
	}

	private static int findMatches(List<String> refCharacters,
			List<Entry> shiftedList) {
		int noOfPairs = 0;
//		for (int i = 0; i < shiftedList.size(); i++) {
//			if (refCharacters.contains(shiftedList.get(i).value)) {
//				noOfPairs +=1;
//			}
//		}
		return shiftedList.size();
	}

	private static void buildRefCharacters(String lowerLimit,
			String upperLimit, List<String> refCharacters) {
		for (int i = Integer.valueOf(lowerLimit); i <= Integer
				.valueOf(upperLimit); i++) {
			refCharacters.add("" + i);
		}
	}

	private static List<Entry> shiftList(List<String> refCharacters,
			int distance, int upperLimit , int lowerLimit) {
		List<Entry> shiftedList = new ArrayList<Entry>();
		for (int i = 0; i < refCharacters.size(); i++) {
			Entry entry = shift(refCharacters.get(i), i, distance, upperLimit , lowerLimit);
			if (entry != null) {
				shiftedList.add(entry);
			}
		}
		return shiftedList;
	}

	public static Entry shift(String n, int index, int distance, int upperLimit , int lowerLimit) {
		String nCopy = n;
		if (!hasAllSameDigit(n)) {
			//System.out.println("Shifting [" + n + "] distance [" + distance + "]");
			String shiftPattern = n
					.substring(n.length() - distance);
			int shiftPatternIndex = n.length() - shiftPattern.length();
					
			String modifiedN = n.substring(0, shiftPatternIndex);
			n = shiftPattern + modifiedN;
			if (n.startsWith("0")) {
				n = nCopy;
			}
			
			int nInteger = Integer.valueOf(n);
			// A <= n < m <= B
			if(nInteger < lowerLimit){
				n = nCopy;
			}
			if (nInteger > upperLimit) {
					n = nCopy;
			}
			if(Integer.valueOf(nCopy) > nInteger ){
				n = nCopy;
			}
		}
		return !n.equals(nCopy) ? new Entry(nCopy, n) : null;
	}

	private static boolean hasAllSameDigit(String n) {
		char c = n.charAt(0);
		for (int i = 0; i < n.length(); i++) {
			if (n.charAt(i) != c) {
				return false;
			}
		}
		return true;
	}
}
