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 );
    }
}

//lukewillson
import java.io.PrintStream;
import java.io.File;
import java.util.Scanner;
public class C {    

    public static void main(String[] args) throws Exception {
        new DoC();
    }
}

class DoC {

    public DoC() throws Exception {
        //long time=System.currentTimeMillis();
        System.setOut(new PrintStream(new File("C.out")));
        Scanner sc = new Scanner(new File("C-small-attempt0.in"));
        int runs = Integer.parseInt(sc.nextLine());
        int run = 0;
        while (run++ < runs) {
            System.out.print("Case #" + run + ": ");
            int min=sc.nextInt();
            int max=sc.nextInt();
            int count=0;
            for(int i=min;i<=max;++i)
            {
                for(int j=i+1;j<=max;++j)
                {
                    if(recycle(i,j))
                        count++;
                }
            }
            System.out.println(count);
        }
        //System.out.println(System.currentTimeMillis()-time);
    }
    public boolean recycle(int A,int B)
    {
        String a=""+A;
        String b=""+B;
        for(int i=0;i<b.length();++i)
        {
            String temp=b.substring(i)+b.substring(0,i);
            if(a.equals(temp))
                return true;
        }
        return false;
    }
}
