package jp.funnything.competition.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;

import org.apache.commons.io.IOUtils;

public class QuestionReader {
    private final BufferedReader _reader;

    public QuestionReader( final File input ) {
        try {
            _reader = new BufferedReader( new FileReader( input ) );
        } catch ( final FileNotFoundException e ) {
            throw new RuntimeException( e );
        }
    }

    public void close() {
        IOUtils.closeQuietly( _reader );
    }

    public String read() {
        try {
            return _reader.readLine();
        } catch ( final IOException e ) {
            throw new RuntimeException( e );
        }
    }

    public BigDecimal[] readBigDecimals() {
        return readBigDecimals( " " );
    }

    public BigDecimal[] readBigDecimals( final String separator ) {
        final String[] tokens = readTokens( separator );

        final BigDecimal[] values = new BigDecimal[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = new BigDecimal( tokens[ index ] );
        }

        return values;
    }

    public BigInteger[] readBigInts() {
        return readBigInts( " " );
    }

    public BigInteger[] readBigInts( final String separator ) {
        final String[] tokens = readTokens( separator );

        final BigInteger[] values = new BigInteger[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = new BigInteger( tokens[ index ] );
        }

        return values;
    }

    public int readInt() {
        final int[] values = readInts();

        if ( values.length != 1 ) {
            throw new IllegalStateException( "Try to read single interger, but the line contains zero or multiple values" );
        }

        return values[ 0 ];
    }

    public int[] readInts() {
        return readInts( " " );
    }

    public int[] readInts( final String separator ) {
        final String[] tokens = readTokens( separator );

        final int[] values = new int[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = Integer.parseInt( tokens[ index ] );
        }

        return values;
    }

    public long readLong() {
        final long[] values = readLongs();

        if ( values.length != 1 ) {
            throw new IllegalStateException( "Try to read single interger, but the line contains zero or multiple values" );
        }

        return values[ 0 ];
    }

    public long[] readLongs() {
        return readLongs( " " );
    }

    public long[] readLongs( final String separator ) {
        final String[] tokens = readTokens( separator );

        final long[] values = new long[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = Long.parseLong( tokens[ index ] );
        }

        return values;
    }

    public String[] readTokens() {
        return readTokens( " " );
    }

    public String[] readTokens( final String separator ) {
        return read().split( separator );
    }
}

package codejam;

import java.io.*;
import java.util.HashSet;
import java.util.Set;

/**
 * @author Dmitry Korolev
 */
public class Task3 {

    public static void main(String[] args) throws IOException {
        Reader inputReader = new FileReader("C-small-attempt0.in");
        Writer outputWriter = new FileWriter("C-small-attempt0.out");
        BufferedReader in = new BufferedReader(inputReader);
        BufferedWriter out = new BufferedWriter(outputWriter);
        String numStr = in.readLine();
        int n = Integer.parseInt(numStr);
        for (int i = 0; i < n; i++) {
            String line = in.readLine();
            String[] strs = line.split("\\s");
            int a = Integer.valueOf(strs[0]);
            int b = Integer.valueOf(strs[1]);
            out.write("Case #" + (i+1) + ": " + count(a, b) + "\n");
        }
        in.close();
        out.close();

        assert count(1, 9) == 0;
        assert count(10, 40) == 3;
        assert count(100, 500) == 156;
        assert count(1111, 2222) == 287;
    }

    private static int count(int a, int b) {
        int length = Integer.toString(a).length();

        Set<Long> pairs = new HashSet<>();
        for (int x = a; x < b; x++) {
            for (int n = 1; n < length; n++) {
                int r = rotate(x, n);
                if (r > x && r <= b) {
                    pairs.add((long) (x * 3000000 + r));
                }
            }
        }
        return pairs.size();
    }

    private static int rotate(int a, int n) {
        String number = Integer.toString(a);
        String head = number.substring(0, n);
        String tail = number.substring(n);
        return Integer.parseInt(tail + head);
    }
}
