import java.io.*;

class code1
{
	public static void main(String args[]) throws Exception 
	{
		File ii = new File ("C-small-attempt1.in");
		FileInputStream fis = new FileInputStream(ii);
		BufferedReader  br = new BufferedReader(new InputStreamReader (fis));
		int cases = Integer.parseInt(br.readLine());
		FileOutputStream fout = new FileOutputStream ("output.txt");
		DataOutputStream dout = new DataOutputStream (fout);
		int total=0;
		for(int i=0;i<cases;i++){
		String temp = br.readLine();
		String parts [] = temp.split(" ");
		int lower = Integer.parseInt(parts[0]);
		int upper = Integer.parseInt(parts[1]);
		System.out.println(lower+" "+upper);
		
		for(int j=lower;j<=upper;j++)
		{
			int abc = j;int length=0;
			if(j<10)continue;
			while (abc!=0){abc/=10;length++;}
			abc=j;
			for(int m=0;m<length-1;m++){
				int shift = abc%10;
				abc=abc/10;
				System.out.println("hi "+j);
				abc=abc+shift*power(10,length-1);
				if(abc<=upper&&shift!=0&&abc>j)total++;
				System.out.println(total);
			}
		}
 		dout.writeBytes("Case #"+(i+1)+ ": "+total+"\n");
 		total=0;
		}//for close
		
	}

	private static int power(int i, int j) {
		int no=1;
		for(int a=0;a<j;a++){no=10*no;}
		return no;
	}
}
package jp.funnything.competition.util;

import java.util.Arrays;
import java.util.Iterator;

/**
 * Do NOT change the element in iteration
 */
public class Permutation implements Iterable< int[] > , Iterator< int[] > {
    public static int[] fromNumber( long value , final int n ) {
        final int[] data = new int[ n ];

        for ( int index = 0 ; index < n ; index++ ) {
            data[ index ] = index;
        }

        for ( int index = 1 ; index < n ; index++ ) {
            final int pos = ( int ) ( value % ( index + 1 ) );

            value /= index + 1;

            final int swap = data[ index ];
            data[ index ] = data[ pos ];
            data[ pos ] = swap;
        }

        return data;
    }

    public static long toNumber( final int[] perm ) {
        final int[] data = Arrays.copyOf( perm , perm.length );

        long c = 0;

        for ( int index = data.length - 1 ; index > 0 ; index-- ) {
            int pos = 0;
            for ( int index_ = 1 ; index_ <= index ; index_++ ) {
                if ( data[ index_ ] > data[ pos ] ) {
                    pos = index_;
                }
            }

            final int t = data[ index ];
            data[ index ] = data[ pos ];
            data[ pos ] = t;

            c = c * ( index + 1 ) + pos;
        }

        return c;
    }

    private final int _n;
    private final int[] _data;
    private final int[] _count;
    int _k;

    public Permutation( final int n ) {
        _n = n;

        _data = new int[ n ];
        for ( int index = 0 ; index < n ; index++ ) {
            _data[ index ] = index;
        }

        _count = new int[ n + 1 ];
        for ( int index = 1 ; index <= n ; index++ ) {
            _count[ index ] = index;
        }

        _k = 1;
    }

    @Override
    public boolean hasNext() {
        return _k < _n;
    }

    @Override
    public Iterator< int[] > iterator() {
        return this;
    }

    @Override
    public int[] next() {
        final int i = _k % 2 != 0 ? _count[ _k ] : 0;

        final int t = _data[ _k ];
        _data[ _k ] = _data[ i ];
        _data[ i ] = t;

        for ( _k = 1 ; _count[ _k ] == 0 ; _k++ ) {
            _count[ _k ] = _k;
        }
        _count[ _k ]--;

        return _data;
    }

    @Override
    public void remove() {
    }
}
