package jp.funnything.competition.util;

import java.math.BigInteger;

/**
 * Utility for BigInteger
 */
public class BI {
    public static BigInteger ZERO = BigInteger.ZERO;
    public static BigInteger ONE = BigInteger.ONE;

    public static BigInteger add( final BigInteger x , final BigInteger y ) {
        return x.add( y );
    }

    public static BigInteger add( final BigInteger x , final long y ) {
        return add( x , v( y ) );
    }

    public static BigInteger add( final long x , final BigInteger y ) {
        return add( v( x ) , y );
    }

    public static int cmp( final BigInteger x , final BigInteger y ) {
        return x.compareTo( y );
    }

    public static int cmp( final BigInteger x , final long y ) {
        return cmp( x , v( y ) );
    }

    public static int cmp( final long x , final BigInteger y ) {
        return cmp( v( x ) , y );
    }

    public static BigInteger div( final BigInteger x , final BigInteger y ) {
        return x.divide( y );
    }

    public static BigInteger div( final BigInteger x , final long y ) {
        return div( x , v( y ) );
    }

    public static BigInteger div( final long x , final BigInteger y ) {
        return div( v( x ) , y );
    }

    public static BigInteger mod( final BigInteger x , final BigInteger y ) {
        return x.mod( y );
    }

    public static BigInteger mod( final BigInteger x , final long y ) {
        return mod( x , v( y ) );
    }

    public static BigInteger mod( final long x , final BigInteger y ) {
        return mod( v( x ) , y );
    }

    public static BigInteger mul( final BigInteger x , final BigInteger y ) {
        return x.multiply( y );
    }

    public static BigInteger mul( final BigInteger x , final long y ) {
        return mul( x , v( y ) );
    }

    public static BigInteger mul( final long x , final BigInteger y ) {
        return mul( v( x ) , y );
    }

    public static BigInteger sub( final BigInteger x , final BigInteger y ) {
        return x.subtract( y );
    }

    public static BigInteger sub( final BigInteger x , final long y ) {
        return sub( x , v( y ) );
    }

    public static BigInteger sub( final long x , final BigInteger y ) {
        return sub( v( x ) , y );
    }

    public static BigInteger v( final long value ) {
        return BigInteger.valueOf( value );
    }
}

import java.util.ArrayList;
import java.util.HashSet;


public class DancingWithTheGooglers {
private static String inputFile = "C:\\PERSONAL-WORKSPACE\\GCJ-2012\\src\\input-output\\Input.txt";
private static String outputFile = "C:\\PERSONAL-WORKSPACE\\GCJ-2012\\src\\input-output\\Output.txt";
public static void main(String[] args) {
	
	InputReader ir = new InputReader(inputFile);
	OutputWriter ow = new OutputWriter(outputFile);
	ArrayList<String> lines = ir.loadLines();	
	for(int i=1;i<lines.size();i++){
		HashSet<String> hs = new HashSet<String>();
		String[] sNums = lines.get(i).split(" ",lines.get(i).length());
		Long[] minMaxArr = GCJUtils.getLongArray(sNums);
		for(long l=((minMaxArr[0]<12)?12:minMaxArr[0]);l<=minMaxArr[1];l++){
			String sCurrVal = Long.toString(l);
			for(int j=sCurrVal.length()-1;j>0;j--){
				String sTmp = sCurrVal.substring(j)+ sCurrVal.substring(0,j);
				Long sLong = Long.parseLong(sTmp);
				if(sLong>l && sLong<=minMaxArr[1]){					
					hs.add(sLong+"-"+l);
				}
			}
		}
		ow.writeCaseLine(hs.size()+"");
	}
	ow.flushAndClose();
}
}
