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 hu.hke.gcj;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;

public class RecycledNumbers {
	
	static RecycledNumbers rn = new RecycledNumbers();

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		readAndCalculate(args[0], args[1]);
	}
	private static void readAndCalculate(String inputF, String outputF) {
		BufferedReader input = null;
		BufferedWriter output = null;
		try {
			String line = null;
			input =  new BufferedReader(new FileReader(inputF));
			output = new BufferedWriter(new FileWriter(outputF));
			boolean first = true;
			int expectedRows = 0;
			int actualRows = -1;
			while ((( line = input.readLine()) != null) && (actualRows < expectedRows)) {
				System.out.print(actualRows+1);
				System.out.println("----------------------------------------------------");
				if (first) {
					first = false;
					expectedRows = Integer.parseInt(line);
				} else {
					output.write("Case #" +(actualRows+1)+": "+ rn.recicledNumbers(line));
					if (actualRows +1 < expectedRows) {
						output.write("\n");
					}
				}
				actualRows++;
			}
			
			input.close();
			output.close();
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
		}
		
	}
	private String recicledNumbers(String line) {
		C c = new C(line);
		return c.calculate();
	}
	
	class C {
		int a;
		int b;
		
		public C(String line) {
			String[] numbers = line.split(" ");
			a = Integer.parseInt(numbers[0]);
			b = Integer.parseInt(numbers[1]);
		}

		public String calculate() {
			int result = 0;
			for (int i = a; i<b; i++) {
				int calculate = calculate(i);
				result += calculate;
			}
			return Integer.toString(result);
		}

		private int calculate(int i) {
			int[] digits = getDigits(i);
			int recycledCount = 0;
			int cycled = 0;
			List<Integer> counted = new ArrayList<Integer>();
			for (int j = 1; j < digits.length; j++) {
				if (digits[j]>=digits[0]) {
					cycled = cycle(digits, j);
					if ( (i<cycled) && (cycled <=b)) {
						if (!counted.contains(cycled)) {
//							System.out.println("i: "+i+" cycled:" +cycled + " digits j:" +digits[j]);
							counted.add(cycled);
							recycledCount++;
						}
					}
				}
			}
			return recycledCount;
		}

		private int cycle(int[] digits, int j) {
			int result = 0;
			int n = 1;
			for (int k= 1; k<=j; k++) {
				result += digits[j-k] *n;
				n = n*10;
			}
			for (int k = j; k<digits.length; k++) {
				result += digits[digits.length - k +j -1 ] *n;
				n = n*10;
			}
			return result;
		}

		private int[] getDigits(int i) {
			// TODO Auto-generated method stub
			int[] result = null;
			int length = 0;
			int n = i;
			while (n!=0) {
				length++;
				n = n/10;
			}
			n = i;
			result = new int[length];
			for (int j = 0; j<length; j++) {
				result[length-j-1] = n%10;
				n = n/10;
			}
			return result;
		}
	}

}
